Instruct: Classify a review into positive or negative sentiment.
Query: Paper airplane book

I bought this for my grandson. I had previously bought him another book of paper airplanes, but they were so complicated it was hard for him to figure out how to assemble them. This one, while enough of a challenge to be interesting, was not so difficult. He was able to put together the planes, and had a good time making and flying them. They had lots of fun and colorful designs, like a "pizza slice" plane. The book is well worth the pricel