Soldering Practice Kit DIY 7-Digit LED Display Electronics Calculator | Build Electronics STEM Projects for Classroom/Home; Learn to Solder Kit for adults, teens, students, makers and hobbyists.

★★★★★ 4.7 96 reviews

US$7.20
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US$7.20
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 247238726 Release Date 2026/08/16 List Price US$7.20 Model Number 247238726
Category
  • 1. Multifunctional STEM Learning Kit Upgrade your electronics skills with this 7-digit DIY calculator kit! Transparent acrylic case reveals circuitry, while oversized buttons prevent errors. Performs continuous calculations with decimals/negatives and decodes resistor color bands—soldering projects kit for beginners electrical STEM classrooms and adults/youth/Students/Makers/hobbyists.
  • 2. Professional Soldering Practice Platform Clear PCB markings and through-hole components make this 1-2 hour project ideal for beginners (basic soldering skills required). Master circuitry principles through hands-on assembly—trusted by engineering students and maker workshops.
  • 3. Smart Component Learning System Unique resistor value calculator eliminates multimeter needs. Deepen understanding of capacitors/resistors via interactive assembly—essential for electronics repair trainees and STEM educators.
  • 4. Instant Desktop Productivity Tool Dual AA battery-powered calculator becomes your daily workstation companion. Transparent design doubles as educational display, perfect for labs, offices, and homework sessions.
  • 5. Guided Assembly with Video & Illustrated Manual Illustrated manual with diagrams supports all skill levels. Our step-by-step video tutorials provide visual soldering guidance, enhancing the learning experience for beginners and visual learners. Bulk-order ready for classrooms and maker spaces.

UPC 758289456451
ASIN B0FH68SC5K
Brand XYTJDZSM
Color red
Model Name CAI-270
Screen Size 2.7 inches
Display Type LED
Manufacturer Xiangyin County TUOJIE e-commerce Co., LTD
Power Source Battery Powered
Calculator Type Engineering/Scientific
Mfr Part Number CAI-270
Number of Items 1
Enclosure Material Acrylic
Number of Batteries 2 AA batteries required. (included)
Warranty Description We provide free no-charge replacements for products with verified manufacturing defects during the warranty period.
Item Dimensions L x W 5.51"L x 3.54"W

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4.7 out of 5
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