When picking up any natural materials, make sure there is no potential allergic, poision compound, chocking hazards and sharp objects such like thorn. Make sure the particle is large enough to avoid chocking hazard.

Here is what you nee to do before play:

. Remove sharp points before use

. Dry Petal or Seeds with no

. Deep boil the stone or shell to

. Ensure there is no chocking hazard (small particles)