Biranco. Stem Remote Control Building Kit 3 In 1 Rc Tracked Racer/Tank/Robot Engineering Toys, Science Construction Play Set, Toy Car Chritmas For Boys & Girls Age 8-12 (392Pcs)

You Will Be Able To Create A Cool Tracked Racer Follow The Step-By-Step Instructions With The 392 Provided Pieces. And The Vehicle Can Be Remote Controlled That Kids Will Get Much Racing Fun Time. And Build Your Own Toy. Help Develop Your Kid'S Senses & Learning Skills To Promote Your Child'S Hand-Eye Coordination And Problem-Solving Ability. And Building Is An Awesome Activity Together With Family Or Friends. Not Only Rc Tracked Racer, You Also Can Build Tumbler Robot And Racing Tank. You Can Disassemble And Build The Second Model From Scratch. More Challenging And Detailed Builds.
Let Builders Build It Up! With 2 Powerful Motors, Independently Rc-Controlled Tracks. It Is Easy To Drives Forward Or Backward, Left Or Right, And Makes 360-Degree Turns. Build-In 400Mah 7.2V Rechargeable Battery. You Can Play Above 30 Mins Now. The 3-1 Option Allows The Kids To Choose Which Car To Build. It Even Comes With A Charging Cable So It Saves Money On Batteries! The Kids Will Get Much Racing Fun Time. And Built To Develop Your Kid'S Science, Technology, Engineering And Math Skills While Playing.