Instruct: Classify Amazon reviews into positive or negative sentiment
Query: My 3 1/2 year old son LOVES this toy

I bought this for my boy/girl twins at Christmas when they had just turned 3. Wow. 6 months makes a big difference at this age. My son has just re-discovered this toy and now he "gets" it. He will spend up to an hour at a time (maybe more) creating all sorts of layouts. It's amazing what he builds. And he really tries to copy the cards.My daughter (his twin) is not as into it - but she spent quite a bit of time with it today.I definitely recommend it and will be buying more sets!