Vintage Toy Gama Tracks 1/4" x 10" sold in lengths to make your own.

Pair replacement treads, real rubber, white, pair. 1/4" wide, 10-1/8" long (7mm x 25.6cm). rubber. Can be custom fitted for the Gama small 2-1/4" tinplate tractor.  These are sold so that you can make up your own small tracks.  Sold as a pair of 10" rounds.