Design: Each textured ball in this set is suitable for teething and performs a unique function, the bumpy ball supports tactile, sounds exploration while the light-up ball keeps baby entertained Developmental Benefits: Encourage baby’s gross motor skill development and first milestone movement with this engaging set and teach them cause and effect with the easy grip rattle ball Great for gifting: This baby sensory toy set is packaged in easy-to-wrap packaging and is a suitable gift for any occasion including baby showers, birthdays, Christmas, Easter and more Cleaning: Easy to wipe clean Infantino, smartly designed products for happy parenting: We design smartly, we have fun and we're overjoyed when an idea evolves full circle into a product loved and used daily by parents everywhere Included components: 4 multi-textured balls