A pet crab is very rare, so you might have to try a few times. Aside from the pet crab, you might get some Roblox Islands items like the Pirate Chandelier, Puffer Fish, Pirate Ship or even a Shark.

In October, given the spooky festivities, Roblox Islands kicked off their seasonal event for Halloween. In this new update, players can collect Pumpkin Tokens.