On Top of the World: This simple challenge is a great way to teach balance and improve posture and to work core muscles, says Steve. Have your child sit up straight and focus on keeping her tummy muscles tight. See if she can lift each foot a few inches off the ground for ten seconds. Now go for the record: how long can she hold both feet up? (Spot her from behind if needed.) - repinned by @PediaStaff – Please Visit ht.ly/63sNt for all our ped therapy, school & special ed pins