Circuit Cubes Robots Rumble Kit is a STEM educational toy for kids 8-12 years old. Designed by STEM teachers， the Robots Rumble Kit is an exciting bot vs. bot， dual action play so kids can compete against each other with five unique， fun robots they can build! A discovery toy， the kit teaches kids the basics of mechanical engineering and circuits while inspiring their imagination and creativity. The remote control feature via a free， smartphone app enables the competition between robots. Great gift idea for creative kids age 8 and up who are curious about robotics. Item 21011-00000.

• ROBOTS RUMBLE KIT: Contains 300+ parts， including gears， tires， treads， shafts， 2 Bluetooth Batteries， 6 Cubit Motors， and detailed instructions for building any 2 of the 5 robots at same time.
• 2 PLAYER ROBOT CHALLENGE: The ultimate bot vs. bot challenge!
• REMOTE CONTROL: Circuit Cubes Bluetooth App brings controlled motion to your builds. Strategically guide your robot the FREE smartphone app.
• STEM TOY: Teaches kids the basics of mechanical engineering and circuits while challenging their imagination and creativity.
• POWER YOUR BUILDS: Compatible with all name brand construction bricks. Build and power endless projects with Circuit Cubes and your unlimited imagination.