This little robot has suction cups built into its feet, allowing it to climb up, down, around, and upside down smooth surfaces like windows and mirrors.
The [email protected] REX (Robot EXplorer) requires 2 x AAA batteries, measures 4.5 x 4 x 3.75 inches and is available for $9.95 at Edmund Scientific. (Update: Link removed because the page no longer exists.)
Here’s a two minute introduction video of the window-climber:
This video no longer exists.
(Via The Red Ferret Journal)