Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Not so great

I filled this up in the order it says to fill the chambers. It still is not bouncy. My two year old son goes in it but not to bounce. We put colorful balls in there which will entertain him for about 5 minutes. Maybe I'm not putting enough air in the jump o lene but it feels like if I add anymore it will burst. It says in the bottom chamber to fill only 2/3's of the way. I have no idea when it is only 2/3's full. I am dissappointed with this purchase and would not recommend purchasing.