Small Big Green Egg Second Level - CGS Sliding Grid BundleAdd a Sliding Second Cooking Level to Your Small Big Green Egg The CGS Sliding Second Grid Bundle adds a functional upper cooking level to your Small Big Green Egg, giving you more usable space without crowding your main grid. Important This bundle requires the current Small Big Green Egg Expander CGS Woo as a base. Need the full system? If you dont already have the CGS Woo for the Small Big Green Egg you can build a complete two level combo here: