Mon Mon the Rainbow Stacker is an interactive early development stacking ring toy that features music and sound. This ring stacker stimulates the infant’s curiosity as they stack the colorful rings while this baby stacker toy counts as rings are added, keeping children’s attention as they learn with this sensory toy. Vibrant colors and fun shapes help 6 months and up babies and toddlers develop fine motor skills and improve color recognition. With a playful and creative design, Mon Mon the Rainbow Stacker entertains and educates infants and toddlers as they practice grasping and hand-eye coordination skills.