New Factory Sealed Magna Tiles 74-Piece Set - Multicolor clear Colors Ages 3+ Supersize the building experience with the Classic 74-Piece Set. Perfect for larger families and classrooms, this set is an even bigger assortment of our classic magnetic shapes that can easily join your existing MAGNA-TILES® collection. Explore creativity with the 74-Piece Set. This multicolor set encourages imaginative play and learning. Perfect for young builders.