Given the task definition and input, reply with output. In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.

Make sure that when you get them they work because I bought mine 2 months ago for Christmas and I got everything hung up just to find out one only works out of the whole set the seller needs to contact me because I would like either them to replace or send me my money back also before you send out your product you should make sure they all work and they don't fall apart when you open up the box I'm very disappointed if I don't hear back I'll never buy anything from you people again
Most important is the seller needs to check that products before they sell