This construction kit challenges you to not only Build Genius™, but also build a pull back VEX® Robotics Single Gear Racer™ at the same time. This Single Gear Racer teaches you about how machines convert potential energy into kinetic energy, while the multiple gear ratios teach you about the fundamental principles behind speed and torque. Pull back and release the fun with the VEX® Robotics Single Gear Racer™ by HEXBUG®. The VEX® Robotics Single Gear Racer include multiple gear sets, rubber bands, wheels and all the pieces needed to build a powerful racer! HEXBUG® believes in using the fun of robotic toys to teach kids important STEM principles through hands on learning. Kids can now experience the fun of building their own speedy robot-inspired cars with VEX® Robotics Single Gear Racer by HEXBUG®! Single Gear Racer™ work by pulling back the car and the resistance lever raises to generate tension from the rubber bands. Build a Single Gear Racer™ from over 105 VEX® Robotics Pieces! Includes multiple gear sets, rubber bands, and wheels Teaches children about potential and kinetic energy Compatible with educational VEX IQ pieces STEM based construction kit 105+ snap together pieces

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