On Monday the Transformers store located on one end of the Transformers building was opened and also a meet and greet with Bumblebee and Optimus Prime near the store entrance (Supply Vault). According to a team member they will be out meeting guests from 10-4 daily but, there is no guarantee. The ride is set to open this summer.
Video Meet and Greet:
The store offers more Transformers merch... from chocolate chards, gummies, toys, backpacks, mugs, shirts, shot glasses, and more. Here are a few of them.