My child often played with this when they were a baby. There are signs of use. Please refrain from purchasing if you are concerned. Fisher-Price Jumbo Wobble Stack Target Age: 12 months and up Introducing the Jumbo Wobble Stack! Its large size helps develop balance and motor skills. Playing with it physically is fun, and stacking and removing rings on the tower also promotes cognitive development. The Wobble Stack is a long-selling product from Fisher-Price. Since its debut in 1960, it has been a popular and representative baby toy. Fisher-Price, the world's No. 1 baby toy brand (*), has its own research institute with approximately 60 years of history. Products are developed with the participation of 3,500 children and 20,000 mothers annually, meeting the world's strictest standards. *Euromonitor International Limited; Baby and Child Development Toys category; retail value sales at RSP, 2014.