polystyrene chips

"Then we put the box around it, and fill in with bags full of polystyrene chips.

He laid the pieces on a bedding of polystyrene chips, placing more chips on top until the box was full and then closing the lid.

Under the control of the ubiquitous BBC Microcomputer, these creations whirred through their paces, lifting polystyrene chips out of boxes, drawing pictures and finding their way around.

Marie sat on a high stool close by the counter, wrap- ping individual pieces of an order in beige tissue paper before resting them carefully in a narrow box and settling polystyrene chips around them.