Teen Rebel Ape Club (TRAC) is a collection of 8,888 Teenage Apes, derived from babies after ingesting radioactive milk serums.

You need a Milk Serum to claim a TRAC: https://opensea.io/collection/milkserums

Once you own a Milk Serum, navigate to the website to claim your TRAC: https://teenrebelapeclub.com/