As seen on Pepper Potts desk in Iron Man 2!
Never ceasing, always swinging, this moving stick model appears to defy gravity and turn logic on its head!
The perpetual motion illusion was created by an electrical engineer and designer to baffle and amaze all onlookers.
Available on Edmund Scientific: http://www.scientificsonline.com/swinging-sticks.html
Short URL: http://edmundsci.com/kJ72qZ
Why does it need batteries ?
dif0r4 4 months ago
I LOVE this! Wish it were less expensive ...
JeTricot 8 months ago