Fine motor skills: Helps baby use finger and hand muscles to support increasingly precise and coordinated movements Tactile: Various textures to help stimulate baby's tactile development and sensory processing Visual Stimulation: Bright colors and contrasting patterns engage and stimulate baby's attention and visual perception Chewy claw: Textured and chewable to encourage baby to explore Great on the go: Flat design is easy to take along anywhere you go Lamaze Crinkles are easy-to-hold flat friends that give baby plenty to explore both at home and on the go! Bright colors and contrasting patterns provide your baby with visual stimulation while the different textures and interesting sounds help encourage tactile skills and fine motor skill development. Grab Jack the Crab and go! His flat design is easy to take along anywhere you go.