Based on the information provided, there are no identifiable LGBTQ+ characters or themes present in 'Not a Box'. The evaluation is N/A due to the complete absence of relevant content for analysis, making it impossible to determine any form of portrayal.

Based on the provided input, there is no information available regarding the presence or portrayal of transsexual characters or themes in the film "Not a Box" (show, 2025). Therefore, an evaluation of its net impact is not possible.

The movie does not contain any action or adventure elements.

The animated series "Not a Box" is based on a children's book featuring a rabbit character whose gender was never explicitly defined or visually unambiguous in the original source material. Without a prior established gender, no character can undergo a gender swap.

There is no information provided regarding the source material, established characters, or their canonical races for 'Not a Box'. Without this context, it is not possible to determine if any character has undergone a race swap.