Exchanges from Oskar, Nick Baxter and
Stan Isaacs at IPP 29,

San Fransisco 2009

 

Next Floor

Next Floor

This is a multi-layer ball maze. Try to get the steel ball out of the maze.
The ball interacts with both floors and ceiling, so it is quite a challenge to see the path. This makes it a fun puzzle.
Next Floor is commercially available at Bits and Pieces

Tri Gears

Stellated Stasi