Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
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Question: Just "assembled" the bat cave for my 5 year old. Pathetic construction and workmanship -- half of the gimmics don't work. Another pile of injection-molded plastic parts and stickers that I get to assemble -- what is this thing -- $4 of raw materials + $2 of shipping + $10 of marketing? Garbage. Shame on you Mattel, the only thing worse is the batman figures with the batarangs that take 30 minutes and a blowtorch to get out of the packaging. This batcave will collapse and die within hours of play, I'm sure of it. GARBAGE!

Answer: Negative

Question: This thing is a major piece of junk. It doesn't stick to the wall like it claims. You have to stand to play with it (cause all the cool stuff is at the top), and the extension pieces constantly fall off. I actually screwed it to the wall, but that lasted a whole 10 minutes as it wouldn't stay screwed into the wall. Then the scenery kept falling. Save your money and buy the cool batmobile or something.

Answer: Negative

Question: A decent story that gets you to turn the pages. The problem is, there aren't enough pages. The story just ends leaving you in the middle of an action sequence. I don't like paying $8 for a book that leaves you forced to buy the next one in a series. I don't mind series (thought I'm not that much into them), but each book in a series should stand alone.

Answer:
Negative