spinning top; gyroscope

spiral shell; snail; conch

moon snail (sea snail of the Naticidae family)

river snail

Oncomelania

see 九孔[jiu3 kong3]

giant Amazon snail (Ampullaria gigas spix) that has devastated rice paddies in China since its introduction in the 1980s

nautilus; ammonite (fossil spiral shell)

fidget spinner

Mauritius cowry; Mauritia mauritiana