The first Space Explorer Tank, Japan, Yoshiya. Working condition with mystery action, astronaut moves back and forth and pistons move in and out, astronaut marked "X-8", marked "Bump 'N Go Space Explorer" on both sides, excellent to near mint, 6". The second is a Space X-7 Tank, Japan, Yoshia. Harder to find of the series, working condition with mystery action, marked "Bump 'N Go Space X-7 Tank", excellent to near mint, 6". Condition: Dimensions: Each : 6" x 3" x 3".