Jerry Andrus Tri Zonal Space Warper toy optical illusion.
This is the mechanical version of the Jerry Andrus Tri Zonal Space Warper Illusion. Great for parties. No electronics! Supple your own photos for people to look at after staring at the Warper. Pictures of clouds are perfect. Perfect for kids. Not all toys have to be electronic!
For the Internet version see here:
► Watch on DTube
► Watch Source (IPFS)