DIY Toys: The screw toy set includes a variety of colors and shapes toys. By casual combination, children can be assembled into a variety of beautiful patterns, which will help stimulate childrens creativity.Cultivating Ability: By assembling toys and learning happily, you can teach children to recognize colors and graphics, which is good for exercising childrens thinking and interactive communication skills. Let the children learn knowledge while playing happily. Simulated Drill: There is a two-way simulated electric drill in the set, which only needs two ordinary 5th batteries to be used (the batteries are not included in the package), and can be rotated back and forth to facilitate the assembly and disassembly of the screw toy. High-Quality Materials: The toys are made of high-quality ABS plastic, which is not easy to damage and has a smooth edge. You dont need to worry about your kids scratching fingers during the play. Large Capacity Storage Box: The set has a large-sized storage box that can store small accessories such as electric drills and screws in the set without worrying about the loss of accessories. Specification:Weight: 839g Size: 31*7*25 cm Batteries Required: 2 AA Batteries(not included in the package) Age: 3-7 years old Material: ABS plastic Number of Parts: 144 pieces Package Includes:1 set of screws toy kit