Fridge robot toy is a moving fridge magnet, defying gravity with each step. Build the robot and watch it walk up and down your fridge. Includes robot parts, magnets, and instructions. This construction kit is for building a robot that walks up and down any magnetic surface. Includes 19 mechanical parts to put together and detailed instructions. 4M has encouraged curious young minds for more than 25 years as a leader in innovative and educational products.