The Floss and Rock shaped 20 Piece Puzzle boxes are simply stunning! They feature foiling and/or glitter detail in the graphics. This set contains 20 large pieces to create a jigsaw. At the start of age 2, your child will work with up to four pieces. By the time he/she turns three, they may be able to put a 10 to 20 piece puzzle together! Problem-solving skills will continue to grow.