I've found with the boys in care, it is easiest to keep them occupied when you create activities that are somewhat competitive. For example the other day I tool masking tape and made a whole bunch of "trails" and "roads" on the floor. I then gave each boy a cotton ball and a straw. The object of the game was to use the straw to blow the cotton ball along the road to the finish line.

We have also used masking tape to create shapes, and paths along the floor and then each boy must get from the square to the circle or across the line on one foot or walking backwards etc.

We also do things like Simon Says, Red Light-Green Light and listening activities/games. It really keeps the boys occupied and helps them get their energy out in a constructive and less rough housing manner.