Green Start: Wooden PuzzlesPackaged in a reusable carry-along storage case, these Earth-friendly puzzles are made with wood from sustainable forests. Created with the help of child development experts, green start wooden puzzles exercise skills that prepare children for reading, math, writing, problem solving, and more. Ages 18 months+, each bold and simple two-piece image sits in an individual well with strong visual support underneath. Sturdy, raised pieces are easy for little fingers to grasp.