Description
Learn the science and mechanics of how barrier gates work! Once you’ve built it, you can use it to keep pesky intruders out of your room. It also includes a smart key that needs to be inserted for the gate to open. Its a cool mechanical science gadget.
- Recommended Age: 5 Years+
- IncludesSmart Key for opening gate
- Also required but not included in this kit: a small crosshead screwdriver and 2x 1.5V AAA Batteries
- Barrier Length: 25 inches when built
