I would use a brain breaks bucket like this one whenever the class students need a break. I would include fun ideas on popsicle sticks, and maybe even take suggestions for new ones throughout the year.
Brain Breaks: 7 YouTube Channels to Get Kids Moving
Get students up and moving. Refocus them. Encourage them to think in a different way. Reward them for good behavior. Even leave the cards for a substitute as "filler activities". Print and go resource for upper elementary and middle school teachers to use