My 9-year-old son loves codes, history, and treasure hunts. This activity combines all three. When he got home from after school, I handed him a Viking Runes Encryption sheet and the first of six clues. Each clue contains facts about the life and times of Vikings as well as runes that required he decode them and a hint as to where to find the next clue. Our oldest son read the clue at the bottom of each card allowed, giving his 5-year-old brother an opportunity to get in on the action, and…
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