The Robot Construction Kit is the perfect home workshop for your favorite tinkerer. Inside, you'll find over 100 magnetic parts you can use to construct hundreds of thousands of machines on your fridge, cookie sheet, or filing cabinet! You'll also find letters, so you can name your creations and share them with the world. * Hours of screen-free fun * Over 100,000 possible combinations * High-quality magnets made for stacking * Made by real artists - No A.I. here! Works on surfaces that hold magnets. Ages 3+.