{"title":"Home page","description":null,"products":[{"product_id":"wonderswan","title":"Restored Bandai WonderSwan","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eRestored \u0026amp; Fully Tested Bandai WonderSwan\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eProfessionally cleaned, repaired, and thoroughly tested by the Gumptendo team. These handhelds have been brought back to reliable working condition so you can actually play them, not just display them.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eEvery system goes through our standard restoration process:\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eFull internal cleaning and inspection\u003c\/li\u003e\n\u003cli\u003eCommon failure points addressed (power, battery contacts, capacitors where needed, etc.)\u003c\/li\u003e\n\u003cli\u003eScreen cleaned and checked for issues\u003c\/li\u003e\n\u003cli\u003eControls tested for proper response\u003c\/li\u003e\n\u003cli\u003eFully functional verification with original or compatible software\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eReady to play out of the box. These are genuine restored units, not just cosmetically cleaned shells.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIdeal for collectors who want a working WonderSwan and for players who want to experience the unique vertical\/horizontal gameplay without fighting hardware problems.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhat’s included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eRestored WonderSwan console\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eShips carefully packed. Backed by our satisfaction guarantee!\u003c\/p\u003e","brand":"Gumptendo","offers":[{"title":"Skeleton Blue","offer_id":47213076873372,"sku":"GT-WS-BLU","price":79.95,"currency_code":"USD","in_stock":true},{"title":"Skeleton Green","offer_id":47213076840604,"sku":"GT-WS-GRN","price":79.95,"currency_code":"USD","in_stock":false},{"title":"Skeleton Pink","offer_id":47723324571804,"sku":"GT-WS-PNK","price":79.95,"currency_code":"USD","in_stock":true},{"title":"Skeleton Black","offer_id":47723328077980,"sku":"GT-WS-BLK","price":79.95,"currency_code":"USD","in_stock":true},{"title":"Pearl White","offer_id":47723329159324,"sku":"GT-WS-WHT","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3939\/0364\/files\/PXL_20260725_234531722.jpg?v=1785023304"},{"product_id":"wonderswan-color-button-repair-pad","title":"WonderSwan Color Button Repair Pad","description":"\u003cp dir=\"auto\"\u003eFix the notoriously unreliable power button on your WonderSwan Color or SwanCrystal with this purpose-made repair pad; the same ones we use in our own restorations.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eBandai’s WonderSwan Color and SwanCrystal have a well-known design flaw: the circuit board was originally laid out for a soldered switch, but the final production units use a rubber plunger button instead. The solder mask and insulation create a gap that the stock rubber button struggles to bridge, causing intermittent or completely dead power buttons.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis specially designed ButtonWorx repair pad solves the problem. It flexes into the gaps on the board and restores solid, reliable contact. As a bonus, it also improves the feel and responsiveness of the other buttons.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eWonderSwan Color\u003c\/li\u003e\n\u003cli\u003eWonderSwan SwanCrystal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhat’s included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eOne ButtonWorx WonderSwan button repair pad\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eSimple install. Makes a big difference in everyday usability. These are the exact pads we install when we restore systems for the store and for customers.\u003c\/p\u003e","brand":"Gumptendo","offers":[{"title":"Default Title","offer_id":47268041818268,"sku":"GT-WSC-BTNPAD","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3939\/0364\/files\/PXL_20260720_010622946_c000fc19-d0d1-41ff-99a6-8bd073600828.jpg?v=1785023940"},{"product_id":"wonderswan-recap-kit","title":"WonderSwan Recap Kit (Panasonic Caps)","description":"\u003cp dir=\"auto\"\u003eHigh-quality \u003cstrong\u003ePanasonic\u003c\/strong\u003e SMD electrolytic capacitors for recapping the original Bandai WonderSwan (black \u0026amp; white \/ classic models).\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThese kits use genuine Panasonic parts for reliable long-term performance. We upgrade the stock values for better voltage headroom and durability while staying fully compatible:\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e1× 100µF 10V\u003c\/strong\u003e (upgraded from the original 100µF 4V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2× 330µF 6.3V\u003c\/strong\u003e (matches the original 330µF 6.3V)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe higher voltage rating on the 100µF cap provides extra margin against stress and aging, helping prevent the common audio noise, power instability, and failure issues that plague aging WonderSwan consoles.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKit contents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eAll capacitors needed for a full recap of the original WonderSwan\u003c\/li\u003e\n\u003cli\u003eGenuine Panasonic SMD electrolytics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eSurface-mount (SMD) parts — requires proper soldering\/desoldering tools and experience\u003c\/li\u003e\n\u003cli\u003eDesigned for the original monochrome WonderSwan (not WonderSwan Color or SwanCrystal, which use different values)\u003c\/li\u003e\n\u003cli\u003eSame quality Panasonic components we use in our own repairs and other kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cspan\u003eRestore\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eclean\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003epower\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eand\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003esound\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eto\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eyour\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eWonderSwan\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ewith\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eparts\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eyou\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ecan\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003etrust.\u003c\/span\u003e\u003c\/p\u003e","brand":"Gumptendo","offers":[{"title":"Default Title","offer_id":47461108449436,"sku":"GT-WS-RECAP","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3939\/0364\/files\/PXL_20260927_232906142.jpg?v=1790551810"},{"product_id":"famicom-disk-system-drive-belt","title":"Famicom Disk System Replacement Drive Belt – Japan Import Polyurethane","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eFamicom Disk System replacement drive belt\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eClear \/ milky-white \u003cstrong\u003epolyurethane\u003c\/strong\u003e drive belt imported from Japan. This is the common modern replacement for stretched or snapped FDS belts — not a rubber-band hack.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eFits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eNintendo Famicom Disk System (HVC-022)\u003c\/li\u003e\n\u003cli\u003eTwin Famicom disk drive (same belt path)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhat you get\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e2 replacement belts\u003c\/li\u003e\n\u003cli\u003eNew, unused, Japan import\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eMaterial: polyurethane (clear \/ translucent white). Holds tension better than dried-out original rubber.\u003c\/li\u003e\n\u003cli\u003eSize: standard FDS replacement loop (the usual ~90 mm fold \/ thin flat belt used on these drives).\u003c\/li\u003e\n\u003cli\u003eInstallation takes a teardown of the drive. The belt routes around the motor pulley and large spindle gear; the metal triangle bracket has to come off to seat it. If you haven’t done an FDS belt before, watch a belt-replacement guide first.\u003c\/li\u003e\n\u003cli\u003eAfter install, check disk speed if you have a test disk or know the trimmer. A new belt can change tension enough to need a small speed tweak.\u003c\/li\u003e\n\u003cli\u003eNot an original Nintendo service part. These are aftermarket PU belts of the type commonly used in Japan for FDS repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eShips in a padded mailer. Belts are packed in a loop on a card so they aren't creased.\u003c\/p\u003e","brand":"Gumptendo","offers":[{"title":"Default Title","offer_id":47723396300956,"sku":"GT-FDS-BELT","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3939\/0364\/files\/PXL_20260927_223804060.jpg?v=1790551968"}],"url":"https:\/\/store.gumptendo.com\/collections\/frontpage.oembed","provider":"Gumptendo","version":"1.0","type":"link"}