This jumping game is made by drawing chalk shapes outside. Join us for some gross motor fun! The following post contains affiliate links, which means that at no extra cost to you I can make a tiny bit of money to help support this blog. Thank you! All you need for this activity need is some sidewalk chalk. Well, and a surface to draw the shapes onto! Draw shapes in a grid formation - a different shape for each child playing is a good starting point. You could also use different color chalk for each shape type (it doesn't show