RT Constantin Puzzle: The Waiters Tray logic game

The RT Constantin Puzzle: The Waiters Tray is a logic puzzle from the Constantin Puzzle series, where each piece calls for a different way of thinking. The goal is to move the glasses until the waiter can slide his tray out from beneath them. It sounds simple, but the solution requires you to adjust not only the glasses but also the balls that hold them in place, and to move them in the right direction.

The puzzle rewards spatial reasoning and patient trial and error, making it an engaging brain teaser for teenagers and adults. Each piece in the series presents its own challenge, so the set also works well as a gift or as a collectible.