{"title":"Signature Pedal Kart Collection","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePrime × River City Play Systems\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBig personality. Pure pedal power. Meet REX, VOID, HIVE, and LYNX—our Signature Collection of custom Prime pedal karts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePREORDER - EXPECTED NOVEMBER 2026:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Free shipping within the contiguous United States. Fully refundable until shipped.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eREX XXL-4 coming soon—sign up or call for updates. Preproduction images shown; final appearance may vary.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","products":[{"product_id":"hive-xm-4-pedal-kart","title":"XM-4 HIVE Kids Pedal Kart (Ages 4-12)","description":"\u003cp\u003eThe HIVE XM-4 Pedal Kart puts a bold insect-inspired character on the Prime XM-4 platform. It is a playful choice for kids who connect with a strong mascot and want their pedal kart to have a personality of its own.\u003c\/p\u003e","brand":"Prime × River City Play Systems","offers":[{"title":"Default Title","offer_id":51336999108860,"sku":"RC-XM-4-HIVE","price":545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/4451\/0110\/files\/hive-xm4-01-studio-quarter_89c84065-c355-4ca6-b1b0-0c4ec4cca8fb.webp?v=1789671702"},{"product_id":"lynx-xm-4-pedal-kart","title":"XM-4 LYNX Kids Pedal Kart (Ages 4-12)","description":"\u003cp\u003eThe LYNX XM-4 Pedal Kart brings a wildcat personality to the Prime XM-4. Designed for kids drawn to expressive color and animal-inspired artwork, it makes the choice of kart feel as individual as the rider.\u003c\/p\u003e","brand":"Prime × River City Play Systems","offers":[{"title":"Default Title","offer_id":51337007104252,"sku":"RC-XM-4-LYNX","price":545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/4451\/0110\/files\/lynx-xm4-01-studio-quarter.webp?v=1789671774"},{"product_id":"rex-xm-4-pedal-kart","title":"XM-4 REX Kids Pedal Kart (Ages 4-12)","description":"\u003cp\u003eThe REX XM-4 Pedal Kart brings a prehistoric personality to kid-powered play. Created for young dinosaur fans, it pairs the Prime XM-4 platform with a character-led design that makes choosing a favorite ride part of the fun.\u003c\/p\u003e","brand":"Prime × River City Play Systems","offers":[{"title":"Default Title","offer_id":51337007530236,"sku":"RC-XM-4-REX","price":545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/4451\/0110\/files\/rex-xm4-01-studio-quarter.webp?v=1789671845"},{"product_id":"void-xm-4-pedal-kart","title":"XM-4 VOiD Kids Pedal Kart (Ages 4-12)","description":"\u003cp\u003eThe VOID XM-4 Pedal Kart gives young space fans a ride with an otherworldly identity. This custom-graphics version of the Prime XM-4 turns a familiar pedal-powered kart into the starting point for a different kind of outdoor adventure.\u003c\/p\u003e","brand":"Prime × River City Play Systems","offers":[{"title":"Default Title","offer_id":51337009168636,"sku":"RC-XM-4-VOID","price":545.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/4451\/0110\/files\/void-xm4-01-studio-quarter.webp?v=1789672111"},{"product_id":"void-xl-4-pedal-kart","title":"XL-4 VOiD Pedal Kart (Ages 7 to Adult)","description":"\u003cp\u003eThe VOID XL-4 Pedal Kart brings the VOID identity to the Prime XL-4 retail chassis. This is the larger-format design for riders who want a space-inspired kart with a darker, more atmospheric presence than the XM-4 version.\u003c\/p\u003e","brand":"Prime × River City Play Systems","offers":[{"title":"Default Title","offer_id":51337797533948,"sku":"RC-XL-4-VOID","price":995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/4451\/0110\/files\/void-xl4-01-studio-quarter_4b1dac81-a6cc-462d-86b1-db965f54d613.webp?v=1789672038"},{"product_id":"rex-xxl-4-pedal-kart","title":"Commercial XXL-4 PRO REX (Ages 7 to Adult)","description":"\u003cp\u003eBig REX energy. Room for two. The REX XXL-4 concept brings the lime-and-emerald dinosaur identity to the two-seat Prime Tracker platform, with bold character artwork designed around its wide front panel and signature spare tire.\u003c\/p\u003e","brand":"Prime × River City Play Systems","offers":[{"title":"Default Title","offer_id":51337809854716,"sku":"RC-XXL-4-REX","price":1745.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/4451\/0110\/files\/rex-xxl4-01-classic-lime-concept_f426e617-7f8e-4151-af83-00d6edcf03b5.webp?v=1789671968"}],"url":"https:\/\/www.rivercityplay.com\/collections\/signature-pedal-kart-collection.oembed","provider":"River City Play Systems","version":"1.0","type":"link"}