Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Here's a fun car game for you: Blind Distance. Blind Distance is a great way to bond with your child and teacher her about depth perception at the same time.

Forget toy stores! Show your first or second grader how to make a vehicle out of fruit from a neighbor's tree or local farmers' market.