S-15 SPACE TANK PROTOTYPE - YANOMAN - JAPAN

This is a copper prototype lithographed friction spaceship with astronaut and spinning / rotating ball cockpit. The metallic blue tank with silver and red detailing has the familiar rounded lilo shape with two fins at the back. At the front is a unique tin sphere which spins around to reveal a cockpit with tin astronaut driver. A ribbed plastic spark window is set into the top rear, along with a wire antenna. Friction action with spinning ball cockpit and sparks. Marked S-15 on the sides. 6.5"

See the production version, the CRAGSTAN SPACE TANK, MARS PATROL NO 17.