The vibrant colors and large shapes of Lauri Crepe Rubber Puzzles captivate young children. They love the soft feel and pebbled textures of the pieces. Parents love the puzzles because they're latex-free, washable and durable. The pieces won't curl, crease or tear. Parents also appreciate the educational value of the puzzles, which encourage concentration, patience and quiet play. Each 8 1/2" x 11" puzzle includes a removable pattern that provides 2 levels of difficulty.