Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Such a shame...

The Uncle Milton Light-up Solar System is awesome in design but horrible in function. It looks great and works far less than expected. Despite many battery changes and following the advice of the Uncle Milton staff, it just doesn't work for more than 15 seconds. Just to get it to revolve it must be hand started. The very few times after it was first installed it did work and my son was enchanted. [...]