Chroma Cube is one of those deduction puzzles that challenges solvers to use their deductive reasoning skills by showing the position of some color cubes, and giving clues that can be used to deduce where the other colors go. The first few puzzle cards in this 25-card set offer easy puzzles that can be solved quickly and make great puzzles for kids, but each puzzle gets harder and will make challenging puzzles for adults. Try to decipher the cryptic clues on any of the 25 puzzle cards that accompany this set to determine how the colors should be arranged. If you're stumped, don't worry! The answers to each puzzle are on the back of the card. The 12 colorful blocks and unique laser cut tray are all made of solid wood, making this a high quality gift for the puzzler. Ages 3 and up. Measures 10.25 x 6.75 x 12.25 in.