When he started ranting about how the government was out to get him, I thought he'd 'lost his marbles'. [='gone crazy']
Let's play 'marbles'. = Let's play a game of 'marbles'.
the museum's polished 'marble' floor/staircase
(..) this box is being donated? lt's under control, Woody. We have a plan. We're going to daycare! Daycare? What, have you all lost your marbles? Well, didn't you see? Andy threw us away. No, no, no, no. He was putting you in the attic. Attic? So how did we (..)2010 Toy Story 3