It depends on the laws in your jurisdiction.
Fire extinguisher and emergency signaling devices must be aboard every personal watercraft.
Fire extinguisher and emergency signaling devices
Fire extinguisher and emergency signaling devices
A Personal Floatation Device.
Personal Flotation Device
A personal floatation device
Fire extinguisher and emergency signaling devices
Either hit x when your walking around to craft basic things or craft a crafting table, walk up to it, and hit left trigger for almost every craft available.
A flotation device for every person
You can craft out birds with children using chinet plastic plates. This is easy to craft and every child can do this. You also could craft easter eggs or nearly every thing they can imagine.
A life preserver for every person aboard.
PFDs for all aboard