This Hourglass DIY Solder Kit allows hobbyists and education institutes to learn how to solder. Each OSEPP Electronics Hourglass DIY Solder Kit comes with easy-to-follow pictorial instructions and a how-to solder and desolder guide. Note: 2x AAA batteries required to operate, sold separately. Note: Since this product is a kit, assembly and a basic knowledge of soldering will be required.Includes: * 42x - 5mm LEDs * 2x - Mini pushbutton (6mm x 6mm) * 2x - Pin headers (2.54mm 1x8) * 2x - Female headers (2.54mm 1x8) * 7x - 330Ω resistors * 3x - 1KΩ resistors * 1x - 3V buzzer * 1x - Tilt sensor (SW-52D) * 1x - On/Off switch (3.7mm x 8.5mm) * 1x - Microprocessor (STC15W204S) * 4x - AAA battery clips * 1x - 100nF capacitor * 1x - 6" (2.5mm width) desoldering braid https://elecena.pl/product/19693805/hourglass-diy-solder-kit 2021-10-22 https://elecena.pl/product/19693805/hourglass-diy-solder-kit 2022-01-18 https://elecena.pl/product/19693805/hourglass-diy-solder-kit 2022-01-20 https://elecena.pl/product/19693805/hourglass-diy-solder-kit 2022-08-10