PlanToys’ Stacking Ring consists of a bottom and collapsible central rod to assure safe use by small children. 6 natural wood rings can be placed on the central ring in any way the child wants. And they can finish off by adding the spherical top. Made from chemical free rubber wood, our PlanNaturals version lets the natural shades and grain of the rubberwood shine through. This toy makes a great shower or baby gift and brings forth the natural beauty of wood - adding a serene Scandinavian flavor to the nursery and play room. The base ring has a circumference of 3.2 inches and measures 6.1 inches tall. At PlanToys, our mission is to provide children with sustainable, eco-friendly toys that encourage early learning, fire the imagination, and stimulate the senses. Our toy designers craft fun products which encourage all aspects of a child’s development including gross and fine motor skills, language skills, social development and interaction, and much more. All PlanToys products are made from rubber wood trees which no longer produce latex. The rubberwood used is free of chemicals and is kiln dried to assure it remains chemical free. Our toys are assembled using a certified E-Zero formaldehyde free glue Organic pigments and water-based dyes are then used to add color. A PlanToys toy is safe for your child, and minimizes the environmental impact too. Suitable for children 12 months and up.