Pull the best practical joke of all time with the grow a poo! Make your family squirm and cringe without the embarrassment of the stench. This poop can grow up to six times its original size. Simply splash it into water and watch how it grows, then take it out of water and watch it shrink, ready to grow again and again. Complete with funny card packaging, this novelty toy is perfect as a gross gift for somebody who needs a good laugh, or plop it onto your shopping list for yourself.