PicassoTiles 100pc Nano Magnetic Building Tiles Travel Set (PN04) is a compact, portable set that brings hands-on STEM fun wherever you go, in the car, on a plane, at the park, or even at your favorite restaurant. Each colorful magnetic tile inspires creativity and problem-solving, and the magnetic tin doubles as both storage and a sturdy play surface. Plus, every piece is fully compatible with full-sized PicassoTiles sets, so you can mix, match, and build bigger than ever!