Knife Switch Cube
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This is a classic ON/OFF switch, used by most mad scientists and inventors. You can close the circuit by rotating the arm down, and open the circuit by raising the arm up. This could be the master switch to turn your Ferris wheel, or the control the trap door at the entrance to your castle gate.
The Knife Switch is just one part of a circuit. Add a battery to power your creations, a motor to make them move, an LED to light them up, and a switch to take control!
- Fits your bricks! Works with all LEGO® and MegaBloks®-type construction bricks
- Seamless circuit connectivity (no soldering)
- Safety-tested & approved for ages 8+
- Created by STEM teachers, tested by kids