This out-of-this-world activity book offers kids more than 20 space-themed code puzzles to crack using the built-in cipher wheel.Each space-themed code puzzle in this book challenges players to think creatively, while it builds their confidence. In addition to the engaging code puzzles, kids will find fun facts about space, tongue twisters, and colorful art. Perfect to take along on airplane or car trips, or to use as a rainy-day activity, this is a spectacular gift for any occasion.