Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Excellent Hobby Component

Perfectly sized for smaller projects such as war game miniature converting or kitbashing toys, these magnets are a godsend to the advanced modifier. The only potential problem is that they are EXTREMELY strong, and, in fact, often stronger than whatever bonding agent is used to attach them to your chosen surface. If affixed with care and diligence, they are amazing.