Samples of weathered toy bricks, made between 1950-1980, by Lego (UK) Limited and collected by beachcomber Tracey Williams in Cornwall as part of her project Lego Lost at Sea. They are made of plastic (Acrylonitrile Butadiene Styrene) and weathered due to being exposed to the marine environment for a long time. There are two red bricks, one grey brick, one yellow brick, and one white brick. Weathered Lego bricks found on a beach 1950-1980