Rainbow Mags 40 Piece Glass Color Magnetic Tiles with Colored Magnets. The Igloo Set Introducing - An all NEW design in Magnetic blocks Includes: 40 Magnetic tiles in six different shapes - Transparent/clear tiles with colored magnets Each block has rivets and lattice to strengthen the quality of each individual tile Develops creativity, motor skills, Hand-eye coordination - Let your imagination explore! High quality product - Safety tested - Compatible with all other Magnetic Stick N Stack products