Crawling babies love following Rolldi as the bells roll back and forth on their track between the sturdy, colourful rods. Or is it the big rattle ring that provides the rhythm? The magic spirals on the amusingly wobbly wheels create a particularly thrilling optical efffect, and you never know in which direction it wants to go next. Promotes association with optical and acoustic stimuli. Contributes to an increase in range of activities. 15cm. Suitable from 6 months.