The Magna-Tiles® Storage Bin & Interactive Play-Mat holds up to 300 magnetic tiles and pieces. When it’s time to play, the bin unfolds into a brightly-colored, interactive play-mat where children can experience hours of screen-free fun and STEAM learning. Simply zip up the sides when the fun is done, and the play-mat transforms into a sturdy storage bin for your tiles and other toys. Perfect to take on vacation, to the grandparents, and play dates with friends.