Bigfoot%20was%20there%20all%20this%20time!%20Just%20add%20water%20and%20wait%20for%20the%20Hairy%20One%20to%20reveal%20itself%20as%20it%20cracks%20through%20the%20tree%20stump.%20Full-grown%20Bigfoots%20can%20vary%20in%20size%2C%20but%20on%20average%20they%20grow%20to%20about%206%20to%207%20inches.Put%20the%20tree%20stump%20in%20a%20container%20of%20waterIn%2012-24%20hours%20Bigfoot%20will%20break%20out%20of%20his%20tree%20stump%2C%20replace%20water.He%20will%20continue%20to%20grow%20for%203-10%20days%20before%20reaching%20final%20size%2C%20keep%20container%20full%20of%20water.Not%20for%20the%20bath.%20Not%20for%20children%20under%203%20years.%20Choking%20hazard%2C%20small%20parts.