A few days before the holidays, Astro employees are often sneaking around the office, surreptitiously cutting and 3D printing and quickly shutting down browsers to passersby. It can only mean one thing—Secret Santa.

The rules of the game are simple; you can’t make anyone cry and no live animals. The rest is fair game.

Astro set the bar high this year, with a custom Soul Cycle bike, a full scale 3D dog replica on wheels, and a few original songs.