upside down, circles, rolling hills

In other words, they need to go upside down, spin in circles, and roll down hills. They need authentic play experiences that get them moving in all different directions in order to stimulate the little hair cells found in the vestibular complex (located in the inner ear). If children do this on a regular basis and for a significant amount of time, then (and only then) will they experience the necessary changes needed to effectively develop the balance system–leading to better attention and learning in the classroom.

http://www.washingtonpost.com/blogs/answer-sheet/wp/2014/10/07/the-right-and-surprisingly-wrong-ways-to-get-kids-to-sit-still-in-class/