Tamiya 70143 Universal Arm Set - Modular STEM Construction Arms  [70143]

Tamiya 70143 Universal Arm Set for Flexible STEM Builds

The Tamiya 70143 Universal Arm Set gives hobbyists and educators a versatile set of structural arms for hands-on STEM work. The parts are ideal for constructing moving linkages, support frames, and experimental mechanisms where adjustability matters.

Precision Layout and Compatibility

Each arm includes a line of 3mm holes spaced at 5mm intervals so you can line up components accurately and use standard pins and fasteners. This hole pattern makes the arms easy to pair with other Tamiya Construction parts and typical hobby hardware.

Common Uses in Builds

Use the Universal Arm Set for simple machines, test rigs, prototype robots, or as extension pieces in custom model projects. Their straightforward geometry helps when iterating on designs or teaching basic mechanical principles.

Key Benefits

• Modular and easy to reconfigure for different tasks
• Works with a broad range of Tamiya Construction components
• Great for classroom exercises and hobby experimentation