Playtime is more important for your child's growth than you may realize. It's a chance to play games with him that encourage learning and development and that keep his interest. "Toddlers learn by doing," says Maureen Healy, child therapist and author of Growing Happy Kids. "He is improving his eye-hand coordination, making choices, mastering a task and learning how to deal with frustration." Read on for tips on making playtime engaging and educational.