Related: Tennis Star Gabriela Dabrowski Reveals She Won Olympic Bronze While Being Treated for Breast Cancer On the front is an inlaid hexagonal piece of original 'puddle iron' from the Eiffel ...
The final design called for 18,000 pieces of puddle iron and an incredible 2.5 million rivets. Admittedly, that sounds a lot more difficult than the 3D Eiffel Tower puzzle we had as kids.