Mini spy drone friend!!
diy Awesome Desk Lamp Hmmm endless possibilities with this idea. You could paint the blocks or even add things between the gaps.
Festo's Bionic Handling Assistant. Photo: Festo Source: http://electronicdesign.com/article/embedded/safe-robot-swarms-73667
Part mingling 1 - YouTube
Reciprocating Mechanism Simple
Mechanism 5 - STEP / IGES - 3D CAD model - GrabCAD
Arduino - Control 220V Lamps from Anywhere in the World | Random Nerd Tutorials
10 ridiculously satisfying, perfectly looped mechanical GIFs to entrance you | 22 Words