Description: Innovative DIY Kit: This 6 Digits DIY Calculator Kit is a unique and engaging project for hobbyists and electronics enthusiasts. It allows you to build your own calculator from scratch, offering a hands-on learning experience Educational Tool: Elevate your soldering skills with electronic project kit, designed to help you craft a practical desktop calculator Comprehensive Package: The Soldering Practice Kit comes with all necessary components, The step by step guide ensures you can assemble the calculator Quality Materials: Made with grade pp materials, the Soldering Practice Kit is designed to last. The components are sturdy and reliable, ensuring your calculator will function smoothly once assembled School Learning Projects: After the soldering is completed, you will get a full sense of accomplishment, which is the charm and fun of DIY. This diy kit not only enhances your soldering skills but also deepens your familiarity with electronic components Size Chart: 128x90mm/5.04x3.54inch Package Includes: 1set Welding Practice Kit Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm differences due to manual measurement.