Heavy-duty battlefield scorpion adult building block metal mechanical assembly model difficult educational jigsaw puzzle toy

Heavy Armor Battlefield Scorpion
EMPEROR SCORPION
Steam Resurrection Mechanical Awakening

Bionic Mechanical Beetle Discovers Trendy Play 【New Species】

Pay tribute to natural science with mechanical art and explore new life forms

turbine engine block  Coaxial anti-rotation, violent march

Symmetrical gear design, multiple sets of propellers counter-rotate coaxially to offset torque, and run in a steady state.

Biomass energy lamp simulates fighting posture
Each part of the body is equipped with multiple groups of lights that alternately change with the rhythm of the attack of the war machine.