KELVIN® Big Project Rear Wheel For your Mousetrap dragster. 4-3/4 in. dia. wheel (same size as a CD disc) fits 1/4 in. dia. axle. Comes with a 1/8 in. insert. 10/pkg. Color may vary. MSRP: Was: Now: $8.95 Add to Cart
KELVIN® CD to Wheel Adapter Cleverly converts your unwanted CDs into a fun wheel. Designed to fit 1/4 in. dowel rod. Can be used with KELVIN® 1/4 in. to 1/8 in. Wheel Adapter (990317). 20/pkg. MSRP: Was: Now: $2.95 Add to Cart
Servo Wheel Set Pack of [2] 3 in. dia. wheels, [8] screws to attach to servo motor arm, and [2] rubber bands for traction. Fits standard servo motor (not included). Servo motor not included. MSRP: Was: Now: $4.95 Add to Cart
KELVIN® 1/4 in. to 1/8 in. Wheel Adapter Use to fit a wheel with a 1/4 in. hole onto a 1/8 in. dia. axle. Can be used with KELVIN® CD to Wheel Adapter (990182). 10/pk. MSRP: Was: Now: $2.45 Add to Cart
Cardboard Wheel- 1-1/2 in. dia. 1-1/2 in. dia. with 3/16 in. hole. 100/pkg. MSRP: Was: Now: $11.95 Add to Cart
TechCard Wheels & Axles Resource Pack Includes [90] 300 mm axles (5 mm dia.) and [60] each of 60 mm, 50 mm, and 40 mm cardboard wheels. TechCard and selected mechanical components are available in separate resource packs. These are especially useful for teachers taking a design and make... MSRP: Was: Now: $49.95 Add to Cart
Robot Wheels Set Includes: [2] wheels, [2] rubber bands and screws. Fits Servo Motor (851878) with screws. MSRP: Was: Now: $3.95 Add to Cart
Hub Wheel 39 mm polythene wheel has a 3mm hole. For use as a center hub for the rubber tire (391138). Color varies. MSRP: Was: Now: $0.75 Add to Cart
Plastic Wheel 1-1/2 in. dia. plastic wheel fits a 3mm axle. Assorted colors. 60/pkg. MSRP: Was: Now: $21.95 Add to Cart
Plastic Wheel with Holes 1-9/16 in. dia. x 5/8 in. thick wheel. Make 3-wheeled vehicles! Use a wheel by itself in front and pushing the axle through. Fits 1/8 in. axle. Black, 100/pkg. MSRP: Was: Now: $14.95 Add to Cart
Caster w/ White Wheel White caster, 3/4 in. dia. Comes with metal attachment plate, [4] screws and [4] nuts. MSRP: Was: Now: $3.95 Add to Cart
Caterpillar Track A soft durable track with a transverse tread; ideal for micro-rovers, robots etc. Can be used with 39mm wheels (391144) or 75mm wheels (391143). The track is 30mm x 180mm long when used with the 39mm wheels. MSRP: Was: Now: $2.95 Add to Cart
Caster w/ Black Wheel Black caster, 3/4 in. dia. Comes with metal attachment plate, [4] screws and [4] nuts. MSRP: Was: Now: $3.95 Add to Cart
Caster with Brake Black plastic caster, 3/4 in. dia. Comes with threaded rod and nut. MSRP: Was: Now: $4.95 Add to Cart
Tire w/Wheel 2.6 in. dia. Rectangular axle hole fits Gear Motor (390463) or Gearbox and Inline Motor (282396). 2/pkg. MSRP: Was: Now: $7.95 Add to Cart
Wood Wheels, 2-3/4 in. dia. These wheels looks and feel like a SUMO Car Wrestler® wheel should! Wheels are 2-3/4 in. diameter, 1-1/2 in. thick with a center hole that is 11/64 in. in diameter. Does not include rubber tread traction material. MSRP: Was: Now: $2.75 Add to Cart
Wood Wheel, 1 in. Diameter Ideal for dragsters. Fits 1/4 in. dia. shaft. 100/pkg. MSRP: Was: Now: $26.95 Add to Cart
