Uploaded March 2015 | Updated September 2026, 34 minutes ago

---

I make a wooden rattleback
( a rattleback may also be known as anagyre, celt, celtic stone, rebellious celt, rattlerock, spin bar, robinson reverser, wobble stone, wobblestone, keltischer wackelstein, wackelholz )
A nice toy with a base shaped like the hull of a boat. I only spins in one direction. When you spin it the other way, it turns a few times before it start to rattle up and down. Finally, it starts to spin in the opposite direction.

Music:
"Cold Funk" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
creativecommons.org/licenses/by/3.0