Gift Cards


1 in stock
Curbside Pickup Available or home delivery on in-town orders*

Recommended for ages 8 to 14 years


With this science kit, your child can build a small but powerful MicroBot that walks up windows and other smooth, flat surfaces, while learning the physics behind how it works.

Going up! Build a mighty robotic bug that defies gravity to crawl up, down and all around windows with ease! This motorized, multi-legged machine uses an ingenious system of suction cups to walk on smooth vertical surfaces like windows and glossy panels. Assemble the robot to learn about its inner mechanisms, including gears and an electric circuit complete with motor, battery and switch. Then experiment to see which types of surfaces your Gravity Bug can climb best. Read about how suction cups work and how this robot climbs. This hands-on construction kit brings engineering and physics to life as it demonstrates the power of air pressure at work. An eight-panel, full-color manual guides your model building with step-by-step illustrated instructions.


  • Build a beetlebot that walks up walls! Features third-generation wall-walking technology with advanced suction cup design – Now smaller than ever!
  • Learn about air pressure and suction cups – Conduct five simple physics experiments with air pressure and suction.
  • Kit includes all parts*—including a durable, easy-to-assemble plastic building system—and an 8-page manual.
  • Compact design and fun and functional – Assembled Gravity Bug measures 4 x 5 x 3 inches!
  • Requires 1 AAA battery, which is available separately.
  • Package measures 11 x 9 x 3 inches (LxWxH).
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