Home / Video / It's Science Videos Toddlers need 3 hours of physical activity per day By Motherly December 16, 2020 If you have a toddler that loves to run wild and free, good news! It’s a normal part of their development. Related Stories Video The body in labor: What does 10cm dilated look like? Video Here’s why you still look pregnant after birth It's Science Videos Pregnancy can be contagious among friends