Herbology! Because the grounds were so cold, Mo was happy to enter the warmer greenhouse and breathe in the aromatic damp air. It was sort of eternal summer in here... although not quite, and Mo appreciated being in out of the cold. Even if he had to pay to attend this particular class.

He nodded to the professor in greeting before taking a seat at one of the work stations. The basket caught his interest, and Mo spent a few moments examining it before putting all the things from his pockets into it one at a time and then removing them. Y'know... just testing it.