The new set of Magna-Tiles came to stay. 12 Pieces that form a track-to-train are combined with any set for a better and more fun game! Ideal size for small explorers: designed with your child, without toxic materials, is designed for small hands. They are magnetically connected to a "click" and are suitable for indoor and outdoor play. Fun and educational: teachers and parents have agreed that Magna-Tiles® is a valuable educational source. It helps children in STEM education to extend their creativity, social interactions, their linguistic abilities, their subtle motor skills and much more.