This Dena 12 pack contains 6 People pieces and 6 House pieces. They are made from food-grade platinum silicone, the same high-quality material as dummies, teethers and baking moulds. It´s a new alternative to wooden toys. 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.