Classic Space Classic Space Alternate Builds Concepts and Prototypes Grey:tron Grøntrøn Space LEGO® Space: 1978-1992 Page 156 – Concept 3 January 1, 2024January 2, 2024 Master Builder 3746 Views LEGO® Space: 1978-1992Published: 2023By: Tim JohnsonDark Horse Books Builds will be NUMBERED left to right.