HP Robots - Otto Expansion Invent - Builder Kit Friction The Class Set Basics provides

The Class Set Basics provides multiple kits for hands-on STEM classroom experiments

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HP Robots - Otto Expansion Invent - Builder Kit Friction The Class Set Basics providesOtto Invent Expansion Kit is designed to take the Otto robot to the next level, transforming it into multiple walking mechanisms and imaginative devices. It's your gateway to endless creative learning and is fully compatible with building bricks. This kit allows you to create advanced mechanisms to make Otto walk, dance, or roll race. You can transform Otto from its original biped form into various configurations, including a wheeled robot, a four