Mechanical 4-legged Beast Robot Stirling Engine Model Science Experiment Gift Installation _ARF this product does not have

this product does not have high requirements for methanol fuel

remote control battery (AA battery

Oil filled adjustable shock absorber

Product Size: 21 x 13 x 10cm

Mechanical 4-legged Beast Robot Stirling Engine Model Science Experiment Gift Installation _ARF this product does not haveMechanical 4 legged Beast Robot Stirling Engine Model Science Experiment GiftFeatures:. Unique Shape: The highly creative design concept applies the Stirling engine to the four legged mechanical beast model to make it have walking function, full of technology and more interesting.. Science Educational Toys: This is a magical technological invention. The Stirling engine provides power to drive the mechanical beast to walk, allowing you to explore