8 Pcs stacking building rings:large size and catch babies eye and develop fine motor skills | Stacking toys for toddlers - babies are interested in stacking then knocking down the stacker and remade | Montessori toys for babies,8 PCS,include letter, shape, numbers ,tactility and visually explore | Soft toys for babies,soft and durable, easy to squeeze, making a squeak sound,infant bath toys,teether | Safe Material,soft and food grade silicone, BPA Free, Non-toxic.