PCB Size: 113x78mm. Material: ABS Shell + Electronic Components. 1 Calculator Kit. Multifunctional & Dual Power Options – Supports addition, subtraction, multiplication, division, and color ring resistor value conversion.
Digital Tube Calculator Kit for Hands-On Assembly and Electronic Education
Colorful USB Powered Digital Clock Kit for Soldering Practice 4cm Tall
DIY Metal Detector Kit Electronic Soldering Practice Science Project Kit
Calculator Kit with Arithmetic Functions and Resistor Value Conversion