Can you separate the two keys... and then reattach them?! Benjamin Franklin (1706-1790) Among many other things he was the first to demonstrate that lightning comprises electrical charges. In 1752 Franklin supposedly ventured into a storm to fly a kite. He was holding a silk ribbon with a kite at one end and an iron key at the other. Lightning struck the kite and a charge travelled down the silk ribbon to the metal key. Franklin touched the key and was 'zapped', thus proving the electrical nature of lightning!

The Great Minds' range brings together our favourite puzzles of all time and links each with one of the greatest minds in history. Each Great Mind has been thoughtfully coupled with a relevant puzzle and the products are finished in an antique style to give them an aged look. Every box has information and a brief history of the 'Great Mind' himself and how the man and the puzzle are linked together

**Spoiler Alert**