Over under is a great activity to incorporate in to movement breaks in the classroom or while learning at home.
Powerful Proprioceptive Activities that Calm, Focus, & Alert
April 2017 article. This is pretty much awesome. There are solid ideas, but even better is the layman's explanation and supportive links and resources. Over 80 amazing proprioceptive activities that provide powerful and lasting proprioceptive input. These simple ideas can be used quickly to calm, focus, alert.