Selling Points: The 331 pieces screw puzzle box can improve your child's imagination, coordination and concerntration. It comes with a booklet with some creative ideas to get started. Children can also be creative and design their own creations. This set is an animal theme and has 6 animal cards. kids can build around this theme.

Product Features: 3D screw puzzle box comes with 331 pcs. A large portable box, used as a toy storage box, easy to pack up all the pieces and tools. The toy kit including an instruction booklet, a screwdriver, a reversible electric drill(2AA batteries required, not included), a wrench, 6 pcs animal 3D cards, 120 pcs screws, 100 pcs nuts, 80 pcs building cards. The product is made of eco-friendly material and has CE certificate.