I bought this for my 3 grandchildren. Only my 5 year old grandson was home the day I brought it. He and I got straight to work, and I immediately noticed all the educational aspects that entertainment has to offer. I could only see his wheels turning as he mastered problem solving skills by looking at the attached diagrams and following the pictures for instructions. Then I watched him wiggle and wiggle the chopsticks into balls and feel the stability of the connection. While he and I were building something, my daughter took part in the fun challenge of making a really cool rocket using brightly colored plastic sticks and balls! It was a hit when my two oldest grandchildren came home later, my daughter told me. Nice box to keep everything in order. A wide variety of fun buildings! And when I was visiting my grandchildren a few days later, my 10-year-old grandson built an igloo fort.