Bring science home! Visit Lookit to participate online anytime! Would your baby or young child like to participate in a research study by playing a fun game at home? Lookit is the Early Childhood Cognition Lab's new online laboratory. You can participate wherever and whenever it's convenient. Find studies for children ages 3 months to 5 years with a few mouse clicks. During 10-minute activities, children watch video clips or listen to stories and answer questions.