https://www.hoa-techacademy.com/challenge-page/8ab1e39c-4598-4433-b4af-c27bb0bf1d6b 2026-06-02 https://static.wixstatic.com/media/41db68_4db79e0db4a34951bb447774a0fee8ba~mv2.png/v1/fit/w_1000,h_800,al_c,q_90/file.jpg Electronic Puzzle Box educational kit with breadboard, electronic components, servo motor, and 3D-printed enclosure. Designed for hands-on learning of basic electronics, circuit building, PWM control, and troubleshooting skills.