Project Genius TG404 Ancient Metal Puzzle, 12 Piece

This assortment of metal disentanglement puzzles celebrates the evolution of metallurgy throughout the ages. Each puzzle challenges you to detach two metal pieces and then link them back together again. Solving each puzzle will require the same Tru Genius that gave rise to metal - the most important substance in the story of man's control of the environment. As far back as the neolithic age over 9000 years ago, communities began hammering copper nuggets into crude knives and sickles. The accidental smelting of copper ore and tin ore, which can be found together in nature, may have provided the accidental next step forward in metallurgy, the development of bronze. The next great development of metallurgy came about during 1500 B.C. when technology advanced enough to smelt iron ore.