Gift Cards


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Recommended for ages 7 to 14 years


Build your own adorable Robotic Pet Tumbliing Hedgehog! With the 172 building pieces in this kit, you can assemble a real robot that looks like a cute hedgehog. The robot has a built-in sound sensor and is programmed to react to different sounds. After you build it, you can play with it by making different sounds and watching it tumble, roll, spin around, bristle its spines, and scurry around. Clap once, and the hedgehog will roll into a ball and tumble backwards. Clap multiple times, and the hedgehog will count your claps and tumble as many times as you instructed with your claps. You can also get the hedgehog to bristle its spines and act in a playful way with different patterns of claps. The hedgehog’s eyes light up with LEDs. By building the robot, you will gain experience in the inner mechanical workings that enable the robot to move how it does. Learn about gears, motors, sound sensors, LEDs, and the other components of this funny little pet.


  • Engineering kit for building a hedgehog robot that rolls when you clap!
  • Features built-in sound sensors so it can react to the sound of your claps:
    • Clap once, and your hedgehog curls up into a ball and rolls over one time.
    • Clap multiple times, and it will roll again and again, tumbling once for each clap!
    • Clap to make it roll backward and fall asleep; clap again to wake it up.
  • Watch how different patterns of claps instruct your hedgehog to do different tricks—you can make it bristle its spines, scurry around, tumble, spin and roll. 
  • Build your hedgehog yourself and learn about gears, motors, sound sensors, micro-controllers, LED lights and more!
  • Encourages spatial reasoning, logical reasoning, engineering skills, experimentation and STEM learning.
  • Includes 172 pieces for building the hedgehog yourself.
  • 40-page, full color manual features a fun comic throughout that keeps the building process fun and exciting.
  • Award winning: ASTRA Best Toys for Kids: Science & Discovery Award Winner.
  • Featured on the Today Show as part of their “New Toys To Help Kids Cut Back On Screen Time" piece. 
  • Requires 4 AAA batteries, NOT INCLUDED.
  • Package measures 10 x 13 x 5 (LxWxH); weighs 1.7 pounds.
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