This nine-piece box-packing puzzle was originally known as "Conway's Curious Cube." Analyze how to fill each of the three layers to solve the puzzle. Sounds easy...but of course its tougher than it looks, so included are 3 hint cards as well one explaining the solution for this challenging brainteaser. Stuck? Turn over the first hint to get a nudge in the right direction. But take your time--the more you work these puzzles, the more powerful the Aha! Moment will be when you realize the solution.

Age Ranges
· 9-12 years
· 12+ years