20 Mechanical Principles Machine

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Here is the complete kit to build your own 'useless machine' that utilizes different mechanical principles. This educational model helps visualize how different mechanisms work.The kit includes all the parts, a motor, a battery box, and building instructions needed to build this model.Two buy options: Power Functions - A standard version that includes a Power Functions M-motor and a Power Functions battery box. Requires 6 AAA batteries (not included). Circuit Cubes - A more affordable version that operates at a slightly slower speed. Includes a Cubit motor and a Bluetooth Battery Cube. You can see it in action in this video! More information and pictures of the model: https://brickexperimentchannel.wordpress.com/2022/11/14/20-mechanical-principles-machine/ Show more