Lamaze toys are designed in conjunction with Lamaze™ International, America's leading childbirth and early parenting organization, and Yale University child development specialists Drs. Jerome and Dorothy Singer. The Lamaze® Toys Infant Development System® guides you through four key phases of your baby's development, allowing you to select Lamaze toys that fit naturally into his/her play patterns. From baby's earliest weeks through the active toddler years, you'll always find a Lamaze toy that is "just right". Lamaze toys can inspire your baby to reach new developmental milestones. The Lamaze Infant Development System inspires baby through four phases of development, and makes it easy for you to select Lamaze toys that satisfy baby's increasing energy levels, challenge maturing skills, and captivate the imagination. Lamaze Baby Toys & Books - Infant Development System. Inspiring babies and toddlers... Lamaze toys.