Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Not worth the money (or saving for it)

What a disappointment. My son eagerly opened up the box and set up his name and password and that's about as far as he could get before it started dying. After feeding about 5 quarters into it, it stopped registering the amount. Also, the quarters made the coin slot mechanism too large and now won't register the smaller dimes, pennies, etc. I think we'll just go back to the old-style piggy bank for now...