My 6 year old daughter loves her Thinking Putty. I have her use it when I am reading History lessons to her. It helps her to have something to do while she listens, which in turn leads to less boredom and better attention span. I love it overall, but would caution anyone interested in purchasing it to only allow children to use it while supervised. My daughter tried putting it on the carpet to test the imprint it would leave, not realizing that it sticks to carpet. I had such a hard time cleaning it out! It is a great product overall, though.