Looking for fun, easy, and low-prep activities for your busy todder? Toddler activities you can set up in 5 minutes or so? This list of 50 15 month old activities will give you plenty of ideas! Includes indoor activities for toddlers and outdoor activities for toddlers. These activities for 12-18month olds are ideal for toddlers just starting to explore the world and moms who want to help their development at home. They also make great childminding ideas and daycare ideas!