Operate the lever and the Chemy Nijigon to activate the finisher. In addition, you can set other Ride Chemy Trading Cards (sold separately) adter transformation and pull the lever to activate Chemy summoning sounds. Lastly, you can play the Chemy Nijigon on its own by pressing the button, and it will play lines coming from said Chemy and from Houtaro. This item cost 5,478 yen, and is set for a June 15th release.