- Alien Prototype (BrickJournal: Issue 6 Volume 2)
- Aquadome (LEGO® Space: 1978-1992)
- Blacktron Concept (BrickJournal: Issue 6 Volume 2)
- Blacktron II Prototypes (BrickJournal: Issue 6 Volume 2)
- Classic Space Moon Base Concept (LEGO® Space: 1978-1992)
- Classic Space Remote Controlled Vehicle (BrickJournal: Issue 6 Volume 2)
- Greytron (BrickJournal: Issue 6 Volume 2, LEGO® Space: 1978-1992)
- M:Tron Prototypes (BrickJournal: Issue 6 Volume 2, BrickJournal: Issue 12, LEGO® Space: 1978-1992)
- Robot Prototypes (LEGO® Space: 1978-1992)
- Rtron (BrickJournal: Issue 6 Volume 2)
- Sea People (BrickJournal: Issue 6 Volume 2, Everything Is Awesome: A Search-and-Find Celebration of LEGO)
- Seatron (BrickJournal: Issue 6 Volume 2, Everything Is Awesome: A Search-and-Find Celebration of LEGO)
- Space Police II Concept (BrickJournal: Issue 6 Volume 2)
- Space Technic Concept (LEGO® Space: 1978-1992)
Super Model (Kabaya sets also include Super Models)
- Alien Planet Cruiser II (LEGO Mania Magazine: November-December 1997)
- Aqua 5 (LEGO Mania Magazine: March-April 1996)
- Aqua Rover (LEGO Mania Magazine: May-June 1998)
- Blacktron Time Machine (Bricks ‘n Pieces: Spring 1988)
- Desert Buggy (LEGO Mania Magazine: May-June 1998)
- Islander Mask (Brick Kicks: Fall 1994)
- Marble Run (Bricks ‘n Pieces: Autumn 1987)
- Rad Racing Rig (LEGO Mania Magazine: March-April 1996)
- RoBo Bug (LEGO Mania Magazine: November-December 1998)
- Robo Spy (LEGO Mania Magazine: March-April 1997)
- Space Creeper (LEGO Mania Magazine: September-October 1998)
- Space Sunglasses (Brick Kicks: Fall 1989)
- Space Walker (LEGO Mania Magazine: March-April 1996)
- Swinging On A Star (Brick Kicks: Fall 1994)
- T42 (Bricks ‘n Pieces: Spring 1988)
- Ultimate Alien (LEGO Mania Magazine: January-February 1998)