This 4-piece block set will please animal-loving kids and their eco-minded parents. Mix and match the blocks to solve 6 animal puzzles: cow, horse, rooster and more. Made from rubber wood with child-safe, water-based stains, the playset develops creative thinking and problem solving skills. Blocks measure approximately 1-3/8" and store inside the wooden holder when not in use. For ages 18 months and up.