ToyTent Antique and Collectible Toys
S.H. and SJM
Piston Robots
Side-by-Side Comparison

  Comparison of the S.H. Piston Robot (left) and SJM Piston Robot (right)
  • S.H. Piston robot has black plastic feet that move with a realistic walking effect. SJM Piston robot has red metal feet

  • SJM Piston is about an inch taller than the S.H. robot

  • S.H. robot's chest is see-through both in front and back, the SJM robot has lithographed tin across the back

  • Lithography differs in detail, although similar in overall design

  • The S.H. Piston robot's battery covered is stamped Made in Japan. The SJM battery door has no marking, the robot was made in Taiwan.


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