Ideal Brain Benders Mind-bending set of (4) 3D wooden puzzles that will keep you guessing and challenge your problem solving skills Tests your knowledge, intelligence, capability, patience and ingenuity Challenge yourself and friends by disassembling and re-assembling this brainteaser Come in a storage tin that measures 3.75-inches by 3.75-inches by 10.5-inches Recommended for children 8-years of age and older