Family purchase sharing not working

They need to go through the Purchase list of whoever made the purchase, not directly form the App Store. Follow the steps in the link provided above. Here it is again: click here-> How to download apps and content that your family members purchased - Apple Support

1. Dr. Panda Big Fun pack is not an App, it's a bundle that contains 10 different Apps.
2. How is the child looking for the bundled Apps? They would need to look for each App independently in the purchase list of whoever made the purchase. See here: link-> How to download apps and content that your family members purchased - Apple Support