Uploaded April 2026 | Updated September 2026, 2 weeks ago

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What happens when children design a giant litter-picking hedgehog? 🦔

We headed to schools in Hull to collect invention ideas, and one brilliant idea stood out - Ezra’s litter-picking hedgehog! So we set out to build it and bring it to life ready for Colliderfest.

In this video, you’ll see the full journey from idea to invention - from visiting schools and hearing Ezra’s design, to the build process, testing, and finally seeing it on display at Colliderfest. We've uploaded the STEP of Ezra's Hedgehog on our patron (for free) patreon.com/posts/we-3d-printed-156952923?utm_medium=clipboard_copy&utm_source=copyLink&utm_campaign=postshare_creator&utm_content=join_link

At Kids Invent Stuff, we believe anyone can be an inventor. Every month we take a child’s idea and turn it into a real working invention - showing just how powerful imagination can be.

A massive thank you to...
Colliderfest - colliderfest.co.uk
and Smith+Nephew - smith-nephew.com

Are you a teacher, parent or educator? Make sure you sign up for our FREE Kids Invent Stuff newsletter to receive monthly resources linked to our videos
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If you'd like to support the channel and help us bring to life more kids' invention ideas, then you can contribute to what we do on Patreon:
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kidsinventstuff.com

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#KidsInventStuff #GiantHedgehog #robotics