Ultimate Builders Set (3800-1)

LEGO® Ultimate Builders Set (3800-1) was released in 2001 and contains 322 pieces. The set belongs to the RCX theme.

RCX

Sets in this theme

• Robotics Invention System, Version 1.0 (9719-1)
• Robotics Invention System, Version 1.5 (9747-1)
• Robotics Invention System, Version 2.0 (3804-1)
• Robotics Discovery Set (9735-1)
• Exploration Mars (9736-1)
• Extreme Creatures (9732-1)
• Vision Command [RCX Digital Colour Camera] (9731-1)
• RoboSports (9730-1)
• Robotics Invention System Upgrade Kit (1.5) (3803-1)
• Ultimate Accessories (3801-1)