no, plastic can never be considered a biodegradable waste because it cannot be made into simpler substances by the microorganisms
no anything made of plastic is not biodegradable.
Plastic beads are made out of plastic. Sometimes they are coloured to add an appealing effect.
plastic
One can purchase plastic beads from the following online stores; Snowfall beauty and beads, Fire mountain gems and beads, DHgate, and Shipwreck beads.
Glass
Put them in water.
Both plastic and wood float's on water. My guess is that the wood is from the pellets.
7/35 or 1/5
A magnet will attract the iron beads but not the glas beads
Mardi Gras beads are made by first manufacturing a plastic mold. Plastic is injected into the mold, then the color is added. The beads are then allowed to dry and mold is removed. They are manufactured in China.
Since perler beads are little pieces of plastic, it is definitely not good for you. Eating plastic is never recommended or beneficial.
filtration
www.ebay.com