NEW - only one ball doesn’t have plastic wrapping. Never used! Got as a gift, then moved- didn’t find it until now and my baby is not a baby anymore. Bundle and save Ask any questions! 7 sizes, sounds and movements -- The different contents of each ball will excite young minds! When rolled, each ball will produce a different Path of movement and a different sound when shaken. Brilliant for babies and toddlers -- introduce young ones to this mysterious sensory activity! They're completely safe for ages 0m+. Develop language skills -- expose your little ones to new adjectives and verbs as you help them to understand the movements, reflections and sounds of these beautiful balls. Made to last -- made of stainless steel, these balls won't tarnish or rust.