![](https://static.dezeen.com/uploads/2012/05/Dezeen_Melvin-the-Mini-Machine-17.jpg)
Melvin the Mini Machine by HEYHEYHEY
Dutch design studio HEYHEYHEY assembled an assortment of objects including toothbrushes, books, marbles, matches and a toy train inside two suitcases to build a chain-reaction machine that signs and stamps a postcard. More