MELISSA & DOUG-See Inside Peg Puzzle. This fun number puzzle features corresponding images underneath the puzzle pieces-- four mice under the 4, five bees under the 5, and nine flowers under the 9... Kids will have fun learning while they play! Each puzzle piece is shaped like the number and has a small peg on the surface making it easy for little hands to grasp. The entire set is made of wood and measures 8-3/8x11-5/8x5/8 inch. This package contains one puzzle board with ten pieces. Recommended for ages 2 and up. Imported.