Get smart curated videos delivered to your inbox.   SUBSCRIBE
The Kid Should See This

Paul Grundbacher’s wooden marble machines

Watch more with these video collections:

We love Rube Goldberg machines, marble roller coasters, and all kinds of wooden inventions that are fun to watch or are lovely to listen to

marble machine

These seven amazing marble machines by Paul Grundbacher fit perfectly into those categories. Here’s another favorite: 

You can watch all seven machines (and find links to videos of the machines that inspired them) here on

via Colossal.

This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.

Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.