OKSTENCK 3 in 1 STEM Remote Control Building Toys for Kids Bulldozer STEM Building Kits 452 PCS RC Construction Engineering Learning Toy Set Gift for Age 6, 7, 8, 9, 10, 11, 12+ Years Old Boys Girls

Welcome to our Amazon store! We are proud to introduce our DIY STEM construction toys that can bring you a whole new play experience! Features. 1- These toys are made of Bisphenol APA free high quality ABS plastic, non-toxic, harmless and safe, parents can buy with confidence. 2- There are three ways to put them together, they are bulldozer, dump truck and all-terrain vehicle, which are challenging. 3- 2.4G technology model allows 70 feet control for enhanced play experience. 4- Comes with an instruction manual that explains the corresponding parts and installation steps in detail. This is a toy that can exercise children's patience, enhance hand-eye coordination, creativity, and train their logical thinking and problem solving skills. It is a perfect gift choice for children over 6 years old! Material: ABS Package: 452 PCS Product Size: 12.2*9.1*2.6 inch Product Weight: 1.7Pounds Instruction Book*1 Power Box: Need 3*AAA Batteries (Battery Not Included) Controller: Need 2*AA Batteries (Battery Not Included)