Magna-Tiles 2-Piece Car Expansion Set &ndash; The Original, Award-Winning Magnetic Building Tiles &ndash; Creativity and Educational &ndash; STEM Approved The original 3D magnetic building sets that engage young minds by fusing together math, science and creativity 2 cars each with 14 magnets Compatible with all original Magna-Tiles building sets Sparks hours of imaginative free play in children. Anything they can dream, they can create! Develops math, science, spatial and tactile skills. STEM approved!