Transform a Thin Metal Sheet Into Optimus Prime, Bumblebee, or Megatron
If you’re looking for a difficult challenge in life, try building a perpetual motion machine. But if you want an impossible challenge, try assembling one of these intricate laser-cut metal puzzles that are now available in Optimus Prime, Megatron, and Bumblebee versions. If you’re unfamiliar with these puzzles, they start off as flat thin sheets…
