Most car shells are made from pressed steel, some are made from plastics.
I believe the shells are made of chitin.
There are various boats used in the Olympics but I think what you are looking for is racing shells. The long skinny rowboats that have anywhere from one to eight rowers are called shells.
Platform Racing 2 was made on April 2008
Most grains of sand are made of quartz, which is a common mineral found in Earth's crust. Sand can also contain other minerals such as feldspar, calcite, and mica, giving it a variety of colors and textures. The composition of sand can vary depending on the location and geological processes in that area.
Shells are grown by shellfish to cover their insides.
it's made of a certain amont of bug shells and hard plastic
NO . Turtles shells are natural and grow with the turtle. Plastic is man made .
Roman chariots had a duel purpose. Chariot racing was a big sport in ancient Rome, thus chariots were made for the purpose of racing. The military had use for chariots to travel to various destinations in the empire.
Shells .......
Racing Stripes
Minstrel shells are typically made from porcelain or ceramic materials. These shells are characterized by their smooth, white appearance and are commonly used for decorative or musical purposes.