{"product_id":"koobook-2sets-electronic-dice-board-kit-led-circuit-diy-kit-for-electronic-learning","title":"KOOBOOK 2Sets Electronic Dice Board Kit LED Circuit DIY Kit for Electronic Learning","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 Set Electronic Dice Board LED Circuit DIY Kit,well cultivated your hands-on ability and paitience.\u003c\/li\u003e\n\u003cli\u003eThe circuit board adopts FR-4 military grade A material. After repeated welding, the pad is not easy to fall off, and it is not easy to bend.Stable and reliable impedance.\u003c\/li\u003e\n\u003cli\u003eCircuit mainly by the pulse generator and a decade counter circuit.\u003c\/li\u003e\n\u003cli\u003eWhen a power-up, 7 LED will randomly display a number of points, players press the switch S1,7 all lit LED only after about 7 seconds LED light starts blinking, until finally showed stable points.\u003c\/li\u003e\n\u003cli\u003eSupply Voltage:4.5-5V,Size: 74*35mm (length * width)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: KOOBOOK","offers":[{"title":"Default Title","offer_id":48206519632023,"sku":"B07TXSYFLX","price":12.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/41VnL51MSPL.jpg?v=1788593426","url":"https:\/\/tinkervanta.com\/products\/koobook-2sets-electronic-dice-board-kit-led-circuit-diy-kit-for-electronic-learning","provider":"TinkerVanta","version":"1.0","type":"link"}