Little Bear's First Lesson

A little bear was on his way to school for his first day. Along the way he saw the squirrel, and he was invited to roam around first before heading to school. They had a walk and found a pile of sticks which they were played and climbe up to the top of the pile. Mr. Beaver found them playing on the pile and notice they were not in school where they are supposed to be. What will Mr. Beaver do to them?