The Dena rainbows are a safe, simple and smart toy, suitable from babies to all ages. They are made of food-grade platinum silicone, they can be used in a variety of different ways; as a teether, for stacking, baking or as a puzzle. Platinum silicone is a soft, strong, bacteria resistant, hypoallergenic and BPA-free material and 100% safe. It resists temperatures from minus 60º C to 220º C. It can be used in the freezer, oven and is dishwasher safe. Due to its minimalist and timeless design, this toy can be used by babies, pre-schoolers and beyond in many diverse ways. The My First Rainbow pack contains a rainbow made from 6 multicoloured pieces – 10.5cm wide x 6cm high. The My First Rainbow Deluxe pack contains a rainbow made from 12 multicoloured pieces – 17.3cm wide x 9cm high.