I learned from this one too, 2007-08-06 My 7 year old daughter sat for hours on the computer working through the modules. She did need some parental guidance at times, but an older child could use and learn a lot from this software.... It operated smoothly on the computer (we have a MAC). 1 of 1 customers found the following review helpful: Kid Favorite, 2007-01-09 My six year old LOVES this CD. She uses it for hours at a time. It really develops critical thinking skills. She is learning a lot of science concepts in a fun and easy to use way.