What are Quest Keys in Beanie Babies 2.0?

on iceberg click igloo for first quest then go to fun forest click mushroom on far left then go into igloo it talks about you finding the answer then go in then click crystal enter how much the stuff costs (dont remember how much) then click cactus type in how much stuff cost(cant remember again) then u get trampoline

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Also click the banana in fun forest and also the skull on RANGE

Also volcano on dino island and also mummy in haunted house