1. Saying Goodbye: The film culminates in the toys being gifted to Bonnie, a new child. This signifies the end of their journey with Andy, who is now going to college. This farewell is deeply emotional, especially for Andy, who has loved and cherished his toys for so long.
2. The Fear of the Unknown: The toys face uncertainty. They are no longer Andy's toys, and they are being given to a new child they don't know. This is a scary prospect, even for toys who have faced danger before.
3. The "Death" of Old Friends: The ending implies that the toys are being sent to a daycare center, where they are likely to be played with roughly by many children. This suggests that they might be damaged or even broken, leading to the fear of losing their individual identities and personalities.
4. The Loss of Innocence: Andy's departure to college represents a transition into adulthood, symbolizing the end of a carefree childhood. The toys' journey with Andy has been a representation of that innocence, and their transition to a new owner marks a loss of this shared past.
5. The Importance of Letting Go: The movie subtly explores the importance of letting go. Andy has to move on, just like the toys. He learns to accept that his childhood is over, and the toys learn to accept a new chapter in their lives.
6. The Promise of Hope: While the ending is sad, it also offers hope. The toys find a new home with Bonnie, a child who needs them as much as they need her. They discover that their journey continues, even without Andy.
Overall, the ending of Toy Story 3 is a poignant reminder of the bittersweet nature of life, the importance of change and growth, and the enduring power of love and friendship. It's a powerful emotional experience that resonates with audiences of all ages.