Pick one of the three Eco Cars - Oxy, Hydro, or Ion.
Hey Clay - Eco Cars - Arts & Crafts for Ages 3 to 7 - Fat Brain Toys Toys. Then, follow along with the interactive 3D step-by-step instructions to masterfully mold it onto one of the three free-rolling chassis. Once it's finished, it's not just a model, it's a toy car they can actually play with! Teaching Toys & Tools. Trains & Vehicles.