Most cockroach and insect toys are made from plastic; some figurines use rubber or PVC materials.
Common methods include touch-free spring-loaded grabbers and battery-powered vacuum tools that collect insects into a detachable viewing capsule; most designs emphasize catch-and-release so insects can be returned to nature.
Many are lightweight plastic and include carrying handles, carabiner or belt clips, and compact designs intended for easy outdoor bug-watching.
Sizes vary: a rubber cockroach is about 1 7/8 inches long, and miniature figurines typically range from about 1.25 to 3.75 inches tall.
Battery requirements vary: several models need no batteries, while some battery-operated catchers list 4 AA or 6 AA batteries; one listing notes "4 x AA batteries (included)." Always check the product listing for exact requirements.