Collect ideas
Choose a child you will make the toy for. Find out:
- What kinds of moving toys do they like? Cars? Trains? Planes?
- What kinds of animals? Do they have a favorite?
- What are their favorite colors?


Design Requirements for Toy
- The body can be narrow or wide.
- The wheels must have a radius of 3 centimeters or less, if you plan on 3D printing them.
- The axle must be long enough to go through the body and the wheels, with room for tape on both sides.
- Your toy may have 2, 3, 4 or more wheels, but it must stay upright and roll.
Design on paper
- Use scrap paper.
- Sketch out different ideas together.
- What does the body of the toy look like?
- What size is the body?
- Where do the wheels go?
- What size are the wheels?