Mechanics

Mechanics is the branch of mathematics and physics concerned with the relationships of forces, matter, and motion between physical bodies. A force applied to an object causes a displacement or change in the object's position relative to its surroundings.
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10 Teeth Electrical Models Gear
10-teeth-electrical-models-gear
GEAR2MM
High-performance gear for electrical models with 10 teeth.
options
From $0.35 /unit
2*37Mm Model Toy Car Wheel
237mm-model-toy-car-wheel
J706
Miniature car wheels for model enthusiasts.
options
From $5 /unit
Axle Rod, 3 Mm X 75 Mm, Pack Of 100
axle-rod-3-mm-x-75-mm-pack-of-100
AXLE3MM
Pack of 100 3mm axle rods for plastic wheels.
options
From $0.14 /unit
Axle Rods For Wheels 1/8 " Shaft (Pack Of 100 Axles)
axle-rods-for-wheels-18-quot-shaft-pack-of-100-axles
PWHEELSA
100 pack of durable wheel axles.
options
From $0.15 /unit
Black Plastic Motor Pulley Sheave, 13 mm
motor-pulley-black-13-mm
MPB13MM
Grooved plastic sheave for compact motor-driven assemblies
options
From $0.40 /unit
Eleven Blade Propellers With 60 Mm Diameter, Red
eleven-blade-propellers-with-60-mm-diameter-red
PROP11B60MMRED
High-performance propellers for drones or RC planes.
options
From $0.75 /unit
Four Blade Pink Propellers With 56 Mm Diameter, Pink
four-blade-pink-propellers-with-56-mm-diameter-pink
PROP4B56MMPINK
Efficient multi-purpose propeller for various applications.
options
From $0.40 /unit
Four Blade Propellers With 56 Mm Diameter, Blue
four-blade-propellers-with-56-mm-diameter-blue
PROP4B56MMBLUE
Efficient multi-purpose propeller for various applications.
options
From $0.40 /unit
Four Blade Propellers With 56 Mm Diameter, Red
four-blade-propellers-with-56-mm-diameter-red
PROP4B56MMRED
Efficient 4-blade propeller for various applications.
options
From $0.40 /unit
Gear and axle Set, Plastic gears (Set of 6 and 3 axle)
gear-and-axle-set-plastic-gears-set-of-6-and-3-axle
GEARAXSET6
Collection of gears and axles for mechanical power transmission.
From $0.05 /unit
Gear Set, 4-Piece, 12T, 20T, 30T and 40T
gear-set-plastic-gears-set-of-4
GEARSET4
Plastic spur gears for educational mechanical assemblies
options
From $1.50 /unit
Gear Set, Plastic gears (Set of 5 )
gear-set-plastic-gears-set-of-5
GEARSET5
Collection of 5 plastic gears for power transmission.
From $0.04 /unit
Gear Set, Plastic gears (Set of 5) and 2 Bushings
gear-set-plastic-gears-set-of-5-and-2-bushings
GEARBUSET5
Collection of gears and Bushings for mechanical power transmission.
From $0.05 /unit
Gear Set, Plastic Gears BLACK (Set Of 4)
gear-set-plastic-gears-black-set-of-4
GEARSET4B
4-piece plastic gear set for hobby and science projects.
options
From $1.60 /unit
Gear Wheel Set For Car Model
gear-wheel-set-for-car-model
GWHEELS
Plastic wheels, geared wheels, axles, and pulley
options
From $3.50 /unit
Green Plastic Spur Gear (T12), 13.5 mm Diameter
green-plastic-spur-gear-t12-135-mm-diameter
PGEART12G
12 Tooth Compact transmission component with 1.9 mm center bore.
options
From $0.90 /unit
Green Plastic Spur Gear, 2.5 mm Bore, 13.5 mm Diameter
small-gear-25-mm-hole
GEAR25MM
Transfers rotational motion between compatible shafts in light-duty mechanisms.
options
From $0.09 /unit
High Speed Plastic Propeller And Spinners, Set Of 2
high-speed-plastic-propeller-and-spinners-set-of-2
PROP3
Efficient propellers and spinners for optimal speed.
options
From $1 /unit
Metal Coil Spring, Slinky 75 Mm
metal-coil-spring-slinky-75-mm
SLINKY75
Flexible and bouncy metal toy.
options
From $15 /unit
Mini 80mm Blue Plastic Four-Blade Propeller
mini-80mm-blue-plastic-four-blade-propeller
PROP4B80MMBLUE
Lightweight, efficient 80mm plastic propeller.
options
From $0.40 /unit
Mini 80mm Green Plastic Four-Blade Propeller
mini-80mm-green-plastic-four-blade-propeller
PROP4B80MMGREEN
Lightweight, efficient 80mm plastic propeller.
options
From $0.40 /unit
Mini 80mm Red Plastic Four-Blade Propeller
mini-80mm-red-plastic-four-blade-propeller
PROP4B80MMRED
Lightweight, efficient 80mm plastic propeller.
options
From $0.40 /unit
Mini 80mm Yellow Plastic Four-Blade Propeller
mini-80mm-yellow-plastic-four-blade-propeller
PROP4B80MMYELLOW
Lightweight, efficient 80mm plastic propeller.
options
From $0.40 /unit
Plastic 3 Blade Propeller 30mm for 2mm Shaft Model
plastic-3-blade-propeller-30mm-for-2mm-shaft-model
30MMPROP
Efficient, green 3-blade 2mm Shaft Model
options
From $0.80 /unit
Plastic Back Wheels 1/8 " Shaft/Hole (Pack Of 100)
plastic-back-wheels-18-quot-shafthole-pack-of-100
PWHEELSBACK
Speedy and stylish model vehicle wheels
options
See pricing options
Plastic Front Wheels, 1/8" Hole, Pack of 100
plastic-front-wheels-18-quot-shafthole-pack-of-100
PWHEELSFRONT
CO2 Dragster & STEM Vehicle Wheels, 35 mm spoke wheels for classroom vehicle builds.
options
See pricing options
Plastic Motor Pulley Sheave, 10 mm
motor-pulley-small-pulley-for-dc-motors
MPUL10W
Grooved plastic pulley for small DC motor drives.
options
From $0.35 /unit
Plastic Motor Pulley Sheave, 17 mm
motor-pulley-17-mm-pack-of-10
MPUL17R
Grooved plastic pulley for small motor drive systems.
options
From $0.60 /unit
Plastic Propeller, 4" Span
plastic-propeller-4quot-span
PROP4
Miniature motor propeller, 4" span.
options
From $0.75 /unit
Plastic Propeller, 5" Span
plastic-propeller-5-span
PROP5
Small, durable propeller for model airplanes or DIY projects.
options
From $1.01 /unit
Plastic Propeller, 7" Span (180 Mm),
plastic-propeller-7-span-180-mm
PROP7
Small plastic aircraft blade for model planes.
options
From $0.95 /unit
Plastic Spur Gear, 20 Teeth (T20), Blue
plastic-spur-gear-20-teeth-t20-blue
PGEART20BL
Straight-tooth gear for transferring rotation between parallel shafts.
options
From $1.20 /unit
Plastic Wheels, Plain Set
plastic-wheels-plain-set
PWHEELSPLAIN
Simple and durable wheels for various uses.
options
From $3 /unit
Plastic Wheels, Tires Set
plastic-wheels-tires-set
PWHEELSTIRES
Durable tire set for various applications.
options
From $5 /unit
Plastic Wheels, Traction Set
plastic-wheels-traction-set
PWHEELSTRACTION
Durable wheels with strong grip for smooth movement.
options
From $3 /unit
Propeller With 3 Narrow Blades, 80 Mm Outer Diameter, Blue
propeller-with-3-narrow-blades-80-mm-outer-diameter-blue
N3B80MMBLUE
High-speed propeller for model vehicles.
options
From $0.39 /unit
Propeller With 3 Narrow Blades, 80 Mm Outer Diameter, Red
propeller-with-3-narrow-blades-80-mm-outer-diameter-red
N3B80MMRED
Efficient high-speed propeller for models.
options
From $0.39 /unit
Propeller With 3 Narrow Blades, 80 Mm Outer Diameter, Yellow
propeller-with-3-narrow-blades-80-mm-outer-diameter-yellow
N3B80MMYELLOW
High-speed propeller for models.
options
From $0.60 /unit
Propeller With 3 Wide Blades, 90 Mm Outer Diameter, Yellow
propeller-with-3-wide-blades-90-mm-outer-diameter-yellow
3B90MMYELLOW
Wide 3-Blade Propeller for High Air Flow.
options
From $1.25 /unit
Pulley Gear, Durable 15mm Pulley
pulley-gear-durable-15mm-pulley
GPULL
Compact 15mm plastic pulley for use in educational science kits and classroom projects.
options
From $0.75 /unit
PULLEY SET OF 3 (30mm, 20mm, 8mm)
pulley-set-of-3-30mm-20mm-8mm
PULLSET3
Economical, diverse sizes, easy-to-fit pulley set.
options
From $0.40 /unit
Rings For Wheels (100 Rings)
rings-for-wheels-100-rings
PWHEELSR
100 rings for wheel customization.
options
From $0.17 /unit
Rubber Belt For Motor Pulleys
rubber-belt-for-motor-pulleys
BELT54
Energy transfer rubber belt for motor pulleys.
options
From $0.23 /unit
Spring Scales / Newton Scales
spring-scales-newton-scales
PSS_US
Dual unit spring scales with color-coded sizes., 0 to 2.5N, 5N, 10N, 20N
options
See pricing options
Spring Scales / Newton Scales (Set Of 6)
spring-scales-newton-scales-set-of-6
PSS_US6
Tubular spring scales set of 6 different capacities.
options
From $20 /unit
Traction Tapes For Wheels (Pack Of 100)
traction-tapes-for-wheels-pack-of-100
PWHEELSTT
100 wheel grip tapes for improved traction.
options
From $0.20 /unit
White Plastic Motor Pulley Sheave, 18 mm
motor-pulley-18-mm-white
MPUL18W
Grooved plastic sheave for compact motor assemblies.
options
From $0.65 /unit
Wood Toy Flat Wheel (Slab) 1"x 3/8" 4 Wheels and Axles
wood-toy-flat-wheel-slab-1quotx-38quot-4-wheels-and-axles
WOOWHEE-3
Smooth and durable (Slab) 1"x 3/8" wheels for woodworking projects.
options
From $0.50 /unit
Wood Toy Wheels 1" 1/2" x 1/2" 1/4" hole 4 Wheels
wood-toy-wheels-1quot-12quot-x-12quot-14quot-hole-4-wheels
WOOWHEE-5
Smooth and durable 1" and 1/2" wheels for woodworking projects.
options
From $0.75 /unit
Wood Toy Wheels 1" x 5/16" 4 Pack
wood-toy-wheels-1quot-x-516quot-4-pack
WOOWHEE-4
Small wooden wheels for toy making.
options
From $0.50 /unit
Wood Toy Wheels 1/2" x 3/16" 1/8" hole 4 Pack
wood-toy-wheels-12quot-x-316quot-18quot-hole-4-pack
WOOWHEE-1
Small wooden wheels for toy-making.
options
From $0.50 /unit
Wood Toy Wheels 3/4" x 1/2" 1/8" hole 4 Pack
wood-toy-wheels-34quot-x-12quot-18quot-hole-4-pack
WOOWHEE-2
Small wooden wheels for toy making.
options
From $0.50 /unit
Yellow Plastic Spur Gear (T30), 31.3 mm Diameter
yellow-plastic-spur-gear-t30-313-mm-diameter
PGEART30Y
30 Tooth Transfers rotation between parallel shafts in light-duty gear assemblies.
options
From $1.50 /unit
10-teeth-electrical-models-gear
10 Teeth Electrical Models Gear
High-performance gear for electrical models with 10 teeth.
Add to Cart
$4 - $35
SKU: GEAR2MM
237mm-model-toy-car-wheel
2*37Mm Model Toy Car Wheel
Miniature car wheels for model enthusiasts.
Add to Cart
$5
SKU: J706
axle-rod-3-mm-x-75-mm-pack-of-100
Axle Rod, 3 Mm X 75 Mm, Pack Of 100
Pack of 100 3mm axle rods for plastic wheels.
Add to Cart
$15 - $135
SKU: AXLE3MM
axle-rods-for-wheels-18-quot-shaft-pack-of-100-axles
Axle Rods For Wheels 1/8 " Shaft (Pack Of 100 Axles)
100 pack of durable wheel axles.
Add to Cart
$15
SKU: PWHEELSA
motor-pulley-black-13-mm
Black Plastic Motor Pulley Sheave, 13 mm
Grooved plastic sheave for compact motor-driven assemblies
Add to Cart
$5 - $40
SKU: MPB13MM
eleven-blade-propellers-with-60-mm-diameter-red
Eleven Blade Propellers With 60 Mm Diameter, Red
High-performance propellers for drones or RC planes.
Add to Cart
$8.50 - $75
SKU: PROP11B60MMRED
four-blade-pink-propellers-with-56-mm-diameter-pink
Four Blade Pink Propellers With 56 Mm Diameter, Pink
Efficient multi-purpose propeller for various applications.
Add to Cart
$5 - $399
SKU: PROP4B56MMPINK
four-blade-propellers-with-56-mm-diameter-blue
Four Blade Propellers With 56 Mm Diameter, Blue
Efficient multi-purpose propeller for various applications.
Add to Cart
$5 - $399
SKU: PROP4B56MMBLUE
four-blade-propellers-with-56-mm-diameter-red
Four Blade Propellers With 56 Mm Diameter, Red
Efficient 4-blade propeller for various applications.
Add to Cart
$5 - $399
SKU: PROP4B56MMRED
gear-and-axle-set-plastic-gears-set-of-6-and-3-axle
Gear and axle Set, Plastic gears (Set of 6 and 3 axle)
Collection of gears and axles for mechanical power transmission.
Contact Us  
$5
SKU: GEARAXSET6
gear-set-plastic-gears-set-of-4
Gear Set, 4-Piece, 12T, 20T, 30T and 40T
Plastic spur gears for educational mechanical assemblies
Add to Cart
$1.75 - $150
SKU: GEARSET4
gear-set-plastic-gears-set-of-5
Gear Set, Plastic gears (Set of 5 )
Collection of 5 plastic gears for power transmission.
Contact Us  
$4
SKU: GEARSET5
gear-set-plastic-gears-set-of-5-and-2-bushings
Gear Set, Plastic gears (Set of 5) and 2 Bushings
Collection of gears and Bushings for mechanical power transmission.
Contact Us  
$5
SKU: GEARBUSET5
gear-set-plastic-gears-black-set-of-4
Gear Set, Plastic Gears BLACK (Set Of 4)
4-piece plastic gear set for hobby and science projects.
Add to Cart
$1.75 - $16
SKU: GEARSET4B
gear-wheel-set-for-car-model
Gear Wheel Set For Car Model
Plastic wheels, geared wheels, axles, and pulley
Add to Cart
$4 - $35
SKU: GWHEELS
green-plastic-spur-gear-t12-135-mm-diameter
Green Plastic Spur Gear (T12), 13.5 mm Diameter
12 Tooth Compact transmission component with 1.9 mm center bore.
Add to Cart
$10 - $90
SKU: PGEART12G
small-gear-25-mm-hole
Green Plastic Spur Gear, 2.5 mm Bore, 13.5 mm Diameter
Transfers rotational motion between compatible shafts in light-duty mechanisms.
Add to Cart
$15 - $90
SKU: GEAR25MM
high-speed-plastic-propeller-and-spinners-set-of-2
High Speed Plastic Propeller And Spinners, Set Of 2
Efficient propellers and spinners for optimal speed.
Add to Cart
$2.50 - $999
SKU: PROP3
metal-coil-spring-slinky-75-mm
Metal Coil Spring, Slinky 75 Mm
Flexible and bouncy metal toy.
Add to Cart
$15
SKU: SLINKY75
mini-80mm-blue-plastic-four-blade-propeller
Mini 80mm Blue Plastic Four-Blade Propeller
Lightweight, efficient 80mm plastic propeller.
Add to Cart
$1 - $400
SKU: PROP4B80MMBLUE
mini-80mm-green-plastic-four-blade-propeller
Mini 80mm Green Plastic Four-Blade Propeller
Lightweight, efficient 80mm plastic propeller.
Add to Cart
$1 - $400
SKU: PROP4B80MMGREEN
mini-80mm-red-plastic-four-blade-propeller
Mini 80mm Red Plastic Four-Blade Propeller
Lightweight, efficient 80mm plastic propeller.
Add to Cart
$1 - $400
SKU: PROP4B80MMRED
mini-80mm-yellow-plastic-four-blade-propeller
Mini 80mm Yellow Plastic Four-Blade Propeller
Lightweight, efficient 80mm plastic propeller.
Add to Cart
$1 - $400
SKU: PROP4B80MMYELLOW
plastic-3-blade-propeller-30mm-for-2mm-shaft-model
Plastic 3 Blade Propeller 30mm for 2mm Shaft Model
Efficient, green 3-blade 2mm Shaft Model
Add to Cart
$8
SKU: 30MMPROP
plastic-back-wheels-18-quot-shafthole-pack-of-100
Plastic Back Wheels 1/8 " Shaft/Hole (Pack Of 100)
Speedy and stylish model vehicle wheels
Add to Cart
See pricing options
SKU: PWHEELSBACK
plastic-front-wheels-18-quot-shafthole-pack-of-100
Plastic Front Wheels, 1/8" Hole, Pack of 100
CO2 Dragster & STEM Vehicle Wheels, 35 mm spoke wheels for classroom vehicle builds.
Add to Cart
See pricing options
SKU: PWHEELSFRONT
motor-pulley-small-pulley-for-dc-motors
Plastic Motor Pulley Sheave, 10 mm
Grooved plastic pulley for small DC motor drives.
Add to Cart
$5 - $35
SKU: MPUL10W
motor-pulley-17-mm-pack-of-10
Plastic Motor Pulley Sheave, 17 mm
Grooved plastic pulley for small motor drive systems.
Add to Cart
$8 - $60
SKU: MPUL17R
plastic-propeller-4quot-span
Plastic Propeller, 4" Span
Miniature motor propeller, 4" span.
Add to Cart
$3 - $75
SKU: PROP4
plastic-propeller-5-span
Plastic Propeller, 5" Span
Small, durable propeller for model airplanes or DIY projects.
Add to Cart
$11.25 - $101
SKU: PROP5
plastic-propeller-7-span-180-mm
Plastic Propeller, 7" Span (180 Mm),
Small plastic aircraft blade for model planes.
Add to Cart
$1.25 - $95
SKU: PROP7
plastic-spur-gear-20-teeth-t20-blue
Plastic Spur Gear, 20 Teeth (T20), Blue
Straight-tooth gear for transferring rotation between parallel shafts.
Add to Cart
$15 - $120
SKU: PGEART20BL
plastic-wheels-plain-set
Plastic Wheels, Plain Set
Simple and durable wheels for various uses.
Add to Cart
$3
SKU: PWHEELSPLAIN
plastic-wheels-tires-set
Plastic Wheels, Tires Set
Durable tire set for various applications.
Add to Cart
$5
SKU: PWHEELSTIRES
plastic-wheels-traction-set
Plastic Wheels, Traction Set
Durable wheels with strong grip for smooth movement.
Add to Cart
$3
SKU: PWHEELSTRACTION
propeller-with-3-narrow-blades-80-mm-outer-diameter-blue
Propeller With 3 Narrow Blades, 80 Mm Outer Diameter, Blue
High-speed propeller for model vehicles.
Add to Cart
$6 - $390
SKU: N3B80MMBLUE
propeller-with-3-narrow-blades-80-mm-outer-diameter-red
Propeller With 3 Narrow Blades, 80 Mm Outer Diameter, Red
Efficient high-speed propeller for models.
Add to Cart
$6 - $390
SKU: N3B80MMRED
propeller-with-3-narrow-blades-80-mm-outer-diameter-yellow
Propeller With 3 Narrow Blades, 80 Mm Outer Diameter, Yellow
High-speed propeller for models.
Add to Cart
$6
SKU: N3B80MMYELLOW
propeller-with-3-wide-blades-90-mm-outer-diameter-yellow
Propeller With 3 Wide Blades, 90 Mm Outer Diameter, Yellow
Wide 3-Blade Propeller for High Air Flow.
Add to Cart
$1.25 - $125
SKU: 3B90MMYELLOW
pulley-gear-durable-15mm-pulley
Pulley Gear, Durable 15mm Pulley
Compact 15mm plastic pulley for use in educational science kits and classroom projects.
Add to Cart
$0.75 - $15
SKU: GPULL
pulley-set-of-3-30mm-20mm-8mm
PULLEY SET OF 3 (30mm, 20mm, 8mm)
Economical, diverse sizes, easy-to-fit pulley set.
Add to Cart
$4
SKU: PULLSET3
rings-for-wheels-100-rings
Rings For Wheels (100 Rings)
100 rings for wheel customization.
Add to Cart
$17
SKU: PWHEELSR
rubber-belt-for-motor-pulleys
Rubber Belt For Motor Pulleys
Energy transfer rubber belt for motor pulleys.
Add to Cart
$2.75 - $23
SKU: BELT54
spring-scales-newton-scales
Spring Scales / Newton Scales
Dual unit spring scales with color-coded sizes., 0 to 2.5N, 5N, 10N, 20N
Add to Cart
See pricing options
SKU: PSS_US
spring-scales-newton-scales-set-of-6
Spring Scales / Newton Scales (Set Of 6)
Tubular spring scales set of 6 different capacities.
Add to Cart
$23 - $200
SKU: PSS_US6
traction-tapes-for-wheels-pack-of-100
Traction Tapes For Wheels (Pack Of 100)
100 wheel grip tapes for improved traction.
Add to Cart
$20
SKU: PWHEELSTT
motor-pulley-18-mm-white
White Plastic Motor Pulley Sheave, 18 mm
Grooved plastic sheave for compact motor assemblies.
Add to Cart
$8 - $65
SKU: MPUL18W
wood-toy-flat-wheel-slab-1quotx-38quot-4-wheels-and-axles
Wood Toy Flat Wheel (Slab) 1"x 3/8" 4 Wheels and Axles
Smooth and durable (Slab) 1"x 3/8" wheels for woodworking projects.
Add to Cart
$2
SKU: WOOWHEE-3
wood-toy-wheels-1quot-12quot-x-12quot-14quot-hole-4-wheels
Wood Toy Wheels 1" 1/2" x 1/2" 1/4" hole 4 Wheels
Smooth and durable 1" and 1/2" wheels for woodworking projects.
Add to Cart
$3
SKU: WOOWHEE-5
wood-toy-wheels-1quot-x-516quot-4-pack
Wood Toy Wheels 1" x 5/16" 4 Pack
Small wooden wheels for toy making.
Add to Cart
$2
SKU: WOOWHEE-4
wood-toy-wheels-12quot-x-316quot-18quot-hole-4-pack
Wood Toy Wheels 1/2" x 3/16" 1/8" hole 4 Pack
Small wooden wheels for toy-making.
Add to Cart
$2
SKU: WOOWHEE-1
wood-toy-wheels-34quot-x-12quot-18quot-hole-4-pack
Wood Toy Wheels 3/4" x 1/2" 1/8" hole 4 Pack
Small wooden wheels for toy making.
Add to Cart
$2
SKU: WOOWHEE-2
yellow-plastic-spur-gear-t30-313-mm-diameter
Yellow Plastic Spur Gear (T30), 31.3 mm Diameter
30 Tooth Transfers rotation between parallel shafts in light-duty gear assemblies.
Add to Cart
$16 - $150
SKU: PGEART30Y
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