Brooklyn-based inventor Joseph’s Machines makes comical DIY contraptions. His latest video shows a chain-reaction machine deliver him a piece of cake. It also includes a baby poking an iPhone, a string of melting butter, and a chandelier.

The video took 3 months to make. Piece a cake!

Joseph’s gadgets are inspired by the cartoonist and inventor Rube Goldberg who built complex, interconnected machines in the early 1900s. Today, people use the expression Rube Goldberg machine. to describe anything convoluted, from machines to politics.