DIY Mechanical Arm Robot Kit Economic Version STEM Kit

For homeschool families and their kids, the DIY Mechanical Arm Robot Kit Economic Version (Model SNAM1900) offers a hands-on path into robotics and programming. Inspired by industrial robotic arms, this compact 4-DOF Arduino-based learning kit is economical, powerful, and easy to use for home learning projects.

Key Features & Design

• 4-DOF mechanical arm design inspired by industrial arms for realistic motion and learning.
• Maximum extension length: 23 cm to reach across a typical workspace.
• Maximum clip opening: 7.5 cm to grasp a range of objects.
• Compact size 14.5 × 9.5 × 14 cm; packaging dimensions 20.5 × 13.5 × 6 cm.
• Control board: Arduino UNO R3 (original version) for broad compatibility and easy programming.
• Simple control mode with four knobs to adjust each axis; USB connection enables serial command control.
• Software compatibility supports other computer control software and user-programmed sequences for fixed or repeated actions.
• Assembly notes Expansion board is provided as spare parts; acrylic frame requires patience to assemble; a complete graphic tutorial is included; the original knob control program is pre-burned.
• Packing list includes the Mechanical Arm X1 Set.

Performance & Benefits

This kit turns theory into practice by guiding students through building, programming, and operating a real robot arm. USB serial control teaches basic serial communication, while the four-knob interface makes tuning movements intuitive for beginners and experienced learners alike.

• Hands-on learning for homeschool projects across robotics, electronics, programming, and math concepts.
• Clear alignment with Arduino-based curricula, electronics fundamentals, servo control, and mechanical design.
• Develops problem-solving, planning, and iterative design skills as students assemble, test, and refine movements.
• Supports project-based learning with repeatable actions and simple automation for experiments and demonstrations.
• Curriculum tie-ins: Arduino electronics and coding, robotics units, and the engineering design process within STEM education.

Whether used as a core project or a supplementary activity, this DIY kit provides a practical, scalable entry into robotics and programmable automation that fits homeschool schedules and learning goals.