[header] How to calm hyperactive children [title] Create a calming kids-only space. [step] Dedicate a corner of a room, a nook, or other small space to making a space that the child can sit in by themselves. Put pillows, stuffed animals, books or other cozy items in this space. 
This is not a time-out space where they go when they are in trouble. Instead, this is a space where they feel safe and can get a chance to relax.