This lady documented every lunch she packed for her child, in kindergarten and 1st grade. And they are all different and healthy! - tons of inspirations and ideas, in case I ever un-lazify kiddo's lunch routine
Plank Shoulder Taps::::Get into a pushup position with your hands shoulder-width apart on the floor and your shins resting on top of the ball (a). Keeping your hips square to the floor, lift your right hand and tap your left shoulder (b). Return to start and repeat with the other arm. Continue alternating for a total of 26 reps.