Sir Galaxy by I.T.C. (International Topper Corporation), 1978

[Joe K.]

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This single sided instruction sheet is printed on a 20.5" x 8" piece of paper. Here's the upper half:

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[Joe K.]

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And the lower half:

And, yes, for some reason there is a noticeable gap between steps #17c and d.

In 1979 Mattel produced Sir Galaxy. That instruction sheet can be found here:

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