Top 10 continuous /“perpetual” motion toys of. 2022…

[iacob alex]

.....at : https://au.bestreviews.guide/perpetual-motion-toys
.....including rolling-jumping ball...a kind of (see...) Stevinus "simplified"?
.....playing gravity field and
    Al_ex

[truesearch]

Well it looks very nice 

But the 1st instruction tells the secret:

1.You need put battery in the back of the round platform.

[iacob alex]

   Hi  Truesearch !
A spring can play as a "mechanical battery" charging and discharging a variable arm pendulum .
If you take a look at : https://i.stack.imgur.com/y8N13.png
.....we can play gravity and conservation of angular momentum with minimal spare parts ( two soft springs and a free sliding mass...as a "liniarized  atom").
   Al_ex