Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

My 4 year old son received the Batcave for Christmas. I know it is about $40. It took my hubby 1/2 hour to put together - is EXTREMELY flimsy & my son got batman stuck in the bat elevator within the first 2 minutes of using it. Soooooo not worth it. What a let down.
Negative