Gym is one of those one parent must be during the first years of the baby. These gyms offer endless games that appeal to all senses. Soft, full color, form, light and sound, these gyms are ideal for babies of all ages.Once your baby is ready to participate in some tummy time, this is the best time for play mats for all around development of the baby.These colorful Play Centers offer stimulating fun for your baby almost anywhere, as many are also available and friendly. Play mats are most entertaining for babies 0-8 months old. They are soft and textured and with embedded images and toys for baby to keep busy.