Harry Potter Potions Challenge Board Game for Kids, Families, and Adults. Professor Snape has an assignment for the class: wander the grounds of Hogwarts amassing the ingredients for one potion. Once you have all of your ingredients for the potion, make it back to one of the start spaces first to win! But beware, Argus Filch will be roaming the premises, ready to stop you in your tracks. Recommended for two to four players, ages eight and up.