Get amazing savings on your purchases by using Houston Zoo promo codes listed on Goodshop. Houston Zoo has a wide variety of entertainment deals available online. The Houston Zoo is proud to announce the launch of a new safe, fun, informative and interactive website for children between four to ten years of age. Designed for independent exploration, Houston Zoo Kids allows children and parents to explore fully-illustrated, immersive environments that allows children to learn about animals and how to protect them in the wild. Sign up for the newsletter for the latest Houston Zoo coupons and deals.