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Morphy's August 9-10 Toys & Collectibles Auction yields bonanza of rare robots, space toys, banks, playsets, marbles, high-grade comic books & monster model kits – Antique Toy World Magazine
A Review of Robot Builder's Bonanza | RobotShop Community
1987 the Robot Builder's Bonanza 99 Inexpensive Robotics Projects by Gordon Mccomb Tab Books - Etsy