This is a Mattel Hot Wheels Hot Heap die-cast car and collectible button. The car is a "Redline" model, identifiable by the red circle on the side of the tires. The Hot Heap model is based on a modified 1929 Ford Model T roadster. It was one of the original 16 Hot Wheels cars produced in 1968. The button features a depiction of the car and the "Hot Wheels" logo, with text indicating it was made in 1967 by Mattel, Inc.