Mini Dynamics Carts, Pair

These colorful cars allow you to experiment with elastic and inelastic collisions and conservation of momentum and energy quickly and economically. Each blue plastic car has a 25 cm long spring steel bumper, deep well for weights (not included) and low-friction wheels that snap into place if dropped. Includes two cars, two bumpers with hardware, two rubber stoppers, instructions with theory and labs.  

Overall dimensions (without spring steel bumper): 130 x 55 x 35 mm.  

Outside width between : 50 mm.