DIY Hourglass Electronics Soldering Practice Kits, PEMENOL Sand Timer with Adjustable 1-99 Minute Countdown Kitchen Alarm

DIY Hourglass Electronics Soldering Practice Kits, PEMENOL Sand Timer with Adjustable 1-99 Minute Countdown Kitchen Alarm Description

【 Build Your Own LED Hourglass】This DIY soldering kit lets you assemble a unique electronic hourglass from scratch. Watch the LED lights flow like falling sand as the timer counts down - it's a rewarding project that gives you both a functional tool and a cool desk decoration. 【Adjustable 1-99 Minute Countdown Timer】 Set any duration from 1 to 99 minutes, perfect for revision sessions, short breaks, classroom activities or even timed workouts. The clear LED display makes tracking the remaining time effortless. 【Flip Interaction with Uninterrupted Countdown】Simply turn the hourglass upside down to reverse the flow of the LED 'sand' whilst the countdown continues seamlessly. This clever hands-on twist makes time management more engaging and sets it apart from ordinary digital timers. 【Optional Buzzer with On/Off Control】An end-of-countdown alert helps you stay on schedule, and you can easily switch the sound on or off to match your surroundings. Ideal for quiet study areas, busy workshops, or any space where you may or may not want an audible alert. 【DIY Soldering Kit with Guided Learning】This soldering kit is suitable for users with some experience or those working under guidance in classrooms, clubs, or supervised home projects. Once built, it becomes a functional timer and a creative electronic display piece. Basic tools and guidance are recommended for assembly.