{"product_id":"soldering-practice-kit-diy-7-digit-led-display-electronics-calculator","title":"Soldering Practice Kit DIY 7-Digit LED Display Electronics Calculator","description":"\u003cp\u003e\u003cstrong\u003eDIY Soldering Practice Kit: 7-Digit LED Calculator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBuild a working 7-digit calculator while practicing through-hole soldering. The transparent acrylic case shows off the circuit, oversized buttons keep operation simple, and once assembled the calculator handles continuous calculations with decimals and negatives, plus resistor color-band decoding.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e7-digit LED display\u003c\/li\u003e\n\u003cli\u003eTransparent acrylic case\u003c\/li\u003e\n\u003cli\u003eThrough-hole components; roughly a 1-2 hour build (basic soldering skills recommended)\u003c\/li\u003e\n\u003cli\u003eContinuous calculations with decimals and negatives\u003c\/li\u003e\n\u003cli\u003eBuilt-in resistor color-band decoder\u003c\/li\u003e\n\u003cli\u003ePowered by two AA batteries\u003c\/li\u003e\n\u003cli\u003eIllustrated assembly manual and step-by-step video tutorials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for ages 12 and up:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAges 12-14: STEM science kits for teens\u003c\/li\u003e\n\u003cli\u003eAges 15-16+: intermediate soldering projects\u003c\/li\u003e\n\u003cli\u003eAdults, students, makers, and hobbyists: professional skill-building\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA hands-on soldering project for STEM classrooms, students, and makers.\u003c\/p\u003e","brand":"TekShack","offers":[{"title":"Default Title","offer_id":67574436725033,"sku":"SOLDER-CALC-KIT","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/2670\/0329\/files\/71S6muiLXlL._AC_SL1500.jpg?v=1791300213","url":"https:\/\/tekshack.com\/products\/soldering-practice-kit-diy-7-digit-led-display-electronics-calculator","provider":"TekShack","version":"1.0","type":"link"}