Indianapolis Motor Speedway slot car circuit

The Indianapolis Motor Speedway slot car circuit is exhibited in the Eiteljorg Museum in Indianapolis. The circuit is made from natural materials like: ash bark, bamboo, birch sticks, grapevine, horse chestnut, salt cedar sticks, sycamore leaves, willow sticks and more.

www.indianapolismotorspeedway.com/news-multimedia/news/2019/12/20/natural-replica-of-ims-rings-in-holidays-at-stunning-exhibit-at-indianapolis-museum-2019