Holographic imprint on hard plastic base pin. Approximately sizes listed below. Back has a single spike with metal butterfly clutch. Set of 3 pins.
Shuttle one: shows shuttle pointed to viewer's left, approx. 1 3/4" x 7/8"
Shuttle two: shows shuttle aligned up, approx. 1 5/8" x 1 1/4"
Shuttle three: shows shuttle pointed to view;s right, apprrox. 1 1/2" by 1 3/8"
Back is stamped "MADE IN" / "U.K.". They are marketed as official merchandise of the US. Space Camp.