The Tamiya 89975 Mechanical Blowfish adds a playful, see-through twist to the Robocraft line while teaching core STEM ideas. The clear pink body exposes the internal crank and linkage mechanism so builders can watch how the motion is created and transferred to the tail fin as it swims.
This kit introduces fundamental principles of mechanics and hydrodynamics through a hands-on build. Assembly uses snap-fit parts together with a few screws and rubber tubing seals, keeping the process approachable for first-time model builders. The transparent hull lets you observe moving parts in action and learn from the visible mechanism.
When complete, the Mechanical Blowfish functions as a small swimming model and an eye-catching display item. Waterproofing relies on O-rings and waterproof tape to protect the internal components during use. A pre-connected Type 130 motor is supplied to simplify building, and the model runs on a single AA battery for extended playtime.
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