i must tell you that snap circuits are the neatest thing i have seen in a long time!! today is our science project day and my friend abby let us borrow this cool toy. basically there is a booklet with over 300 circuit projects that the kids can build. henry and daphne are on project number 6 and they have already built a switch circuit, a direct current motor & swith, a sound activator switch , used resistance and saw how it can lower sound, a lamp & fan series and a lamp & fan in parallel. this is fun for me too!! this is definitely going on the birthday/christmas list...theirs not mine though i will play too.