marbles

باللغة العربية: كُرَيَّات

1. Any of several children's games played with small balls (made of marble or more commonly glass). · Egyptian boys played marbles before the days of Moses.
2. Sanity. (figuratively) · Grandpa's lost his marbles, but at least he still recognizes us.· Granny's still got all her marbles.
3. Bits of rolled-up rubber shed by the tires of race cars that accumulate at the edges of the track, especially at the corners.