Pixar’s Toy Story 4 is a return to familiar ground that is fully realized with groundbreaking animation and riveting storytelling. The heart of these films is the relationships that people have with their toys, and a toy’s purpose in life to give kids joy. And in Toy Story 4, it questions what makes a toy a toy? It’s the kind of film that will see one new toy go through an existential crisis and a dear friend reunite with a lost love who presents the idea of paradise for a toy.

For the past few weeks, we have shown you what it was like to visit Pixar, shown the technological advances, and shared a roundtable discussion with Toy Story 4 director Josh Cooley and producer Mark Nielsen.

Now we are sharing some of the things that we have learned about Toy Story 4. Check out the 40 things we learned about the highly anticipated animated sequel including the development of a story, how a virtual camera works, designing sets and characters, and more, below.