Mideer Advanced Puzzles Level 2 Advanced Puzzle series are fun and educational puzzles with artistic beauty, which will help develop children’s brain potential step by step. Divided into seven levels, this series match children’s mental development, with the aim to enhance their logical thinking, hand-eye coordination, multidimensional cognition as well as develop their concentration. 4 Puzzles in 1, from 9pcs to 20pcs Include 4 puzzles, 1 sticker sheet and instruction Packaging size: 22.5 x 19 x 12 cm Ages 2+