The DIY Water Boat STEM Kit is a fun, hands-on science project that builds a real motorized paddle boat. A DC gear motor turns the paddle wheels to push the boat across water, all mounted on a lightweight floating foam base — perfect for school science projects.
What’s included:
- DC gear motor
- 2× AA battery holder + 2× AA batteries
- 2 paddle blades
- 4 bushes and 2 shafts
- MDF base and foam plate
What you’ll build & learn:
- Assemble a floating paddle boat
- Fit the gear motor, shafts and paddle wheels
- Power it with AA batteries and watch it move on water
- Learn about motors, gears and buoyancy









