G29687 ~ Two Axles and Four "Push On" 50mm (~2") dia. Tires

This set is the basis for making all types of motorized battery or solar power cars/robots. Consists of (2) 3" long steel axles that are 3mm in diameter and (4) 50mm (about 2") dia. wheel with a 3mm inner diameter. Wheels simply push onto the axle and are made of lightweight but sturdy black plastic. Note: no motors, or other items are included.