1、DEVELOPING ABILITY: Children training kit combines play with learning to stimulate children interest in learning, which develops awareness and insight into science, technology, engineering and math. Various combinations of game design can constantly stimulate children desire to explore and design, and cultivate children creativity and imagination. Use a screwdriver tool to build 2D or 3D models to exercise your child hands on and coordination skills 2、PACKAGE INCLUDED: The drill puzzle kit includes a two way rotary electric drill(requires 2 AA batteries, not included), two different types of drill bits and wrenches. Different drill bits can be changed flexibly according to the situation 3、SAFE MATERIAL: The drill set is made of excellent ABS plastic with smooth edges, no burrs, non toxic and odorless. Safe and environmentally friendly, free of harmful chemicals (such as BPA ). The training game set is safe for your baby builder 4、STORABLE PARTS: Don't worry about missing parts. The matching instructions guide the child to build at the beginning. Once child creativity and imagination are stimulated, they are free to create. Can support two or three children playing games at the same time 5、GREAT GIFT: If you think your child should be spending more time on DIY games than computer or for iOS tablet games, then this drill bit toy is ideal for you. Delicate color box packaging is the best choice for children gifts. This is a great gift for birthdays, Christmas, Thanksgiving, or any other appropriate occasion