Made of wood, each part of the puzzle toy is thick and durable enough for repeated use by young children aged 3-8 years old.the puzzle is made with fine cutting techniques for young toddlers. The smooth edges are burr-free and won't hurt your child.These wooden puzzles are great for your child's brain while playing. Not only does it provide children with time to engage in play, but it also helps improve hand-eye coordination and practice problem solving and spatial reasoning skills.they work to complete the puzzle. It's a great game to get your kids to put down their electronic devices. up offer a plethora of educational advantages for your child development.