This being very rare, believed to be the Wonder Tray according to the Rare spiral bound Anverdi's Miracles with Liquids book, which is included with the tray and glasses.
NOTE: The tray is not believed to be complete. We know the screw on bulb is missing for sure. We are selling the tray AS IS, if it's not complete. The glasses and all the pieces are with them, they are complete. The spiral bound Anverdi books has most of all his liquid tricks inside, including all his bottle effects. It is illustrated with 44 pages.