Have fun building these retro robots 3D puzzles. Every puzzle rotates and plays music. You will fill like you were looking into the future from a time machine that took you to the past. If you love steampunk style you are going to love this puzzles. Inspired by 19th-century industrial steam-powered machinery, steampunk represents the idea of a world controlled by machines. Don’t think these puzzles are just a kids game. All the puzzles are very challenging. Enjoy building them and exhibit your fantastic piece of art anywhere you like.