3 Geometric Shapes BPA Free HQABS Plastic Compatible with all MAGFORMERS shapes and accessories (excluding Magnets in Motion accessories) Neodymium Rare-Earth Magnets for guaranteed connectivity Create super-fast cars with our lightweight XL pieces! Now featured in red and yellow or blue and orange, each piece with unique grey edges. Use triangles, squares and hexagons to build cars and roadsters! Let your imagination run wild!