1998 Lost In Space, The Classic Series, B9 (AKA YM-3) Robot. Box 25.5 X 18 X 12”, robot 24 X 21”. He has radio control, lights, says phrases, mobile, other features as well.
Strange that after all these years, this is the first time I've taken detailed pictures of this and the 24" Robby The Robot.

http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/0.jpg
http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/1.jpg
http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/2.jpg
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http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/9.jpg

http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/15.jpg
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http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/11.jpg
http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/12.jpg
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http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/14.jpg
http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/1998.jpg
http://oneye.unrealspawnboard.com/ONEYE-Kisielka/Various/LostInSpace/Robot/24inchB9/Box.jpg