Premium Bandai has updated with an official preorder page for the Kamen Rider Ex-Aid DX Galaxian Gashat. The Gashat is based on the device used by Kamen Rider Brave to henshin into Kamen Rider Brave Galaxian Quest Gamer in the Kamen Rider × Super Sentai: Chou Super Hero Taisen film. Preorders for the Gashat are currently open and will close on April 24 at 11 PM JPST. The item will be released in June priced at 1,620 Yen.
Those who are interested should contact their middleman asap for more details.
Source: Premium Bandai