The Ghost Tower may scare you a bit at first, but its designed primarily as a challenge for ages 5-11.
The Tower is 5 layers high and each layer is built 1 at a time. Each layer takes 3 pcs to complete. The 9 pegs provide guidance for matching the holes in the pcs to the pegs. There are a number of ways to solve this, but it will present a good challenge for the recommended age group.
Measures about 3 5/8" sq x 2 5/8" high.
Level of Difficulty: Level 2