{"product_id":"water-rocket-launcher-kit","title":"Full Water Rocket Launcher Kit","description":"\u003ch2\u003eA perfect project for STEM learning or summer fun!\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEverything you need to launch water rockets!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWater rockets are made from soda or seltzer bottles and are powered by compressed air. The Marimo Labs Water Rocket Launcher is small enough to toss in a backpack yet powerful enough to launch a rocket a hundred feet into the air.\u003c\/p\u003e\n\u003cp\u003eAll you'll need to get your rocket off the ground is a plastic soda or seltzer bottle, water, and a bike pump that connects to standard Schrader valves found on cars and mountain bike tires.\u003c\/p\u003e\n\u003ch2\u003eMake your own for free!\u003c\/h2\u003e\n\u003cp\u003eWait, what now? Yes, we've made the design freely available under a Creative Commons license to advance science and engineering education. \u003c\/p\u003e\n\u003cp\u003eYou can make the printed parts on your 3D printer. Pick up the \u003ca href=\"\/products\/rocket-launcher-core-subkit-with-non-printed-parts\" title=\"Core subkit with non-printed parts\" rel=\"noopener\" target=\"_blank\"\u003eCore Subkit with Non-Printed Parts\u003c\/a\u003e at the Marimo Labs Store or purchase parts elsewhere. Sample links are on the \u003ca href=\"https:\/\/www.printables.com\/model\/86434-water-rocket-launcher\" target=\"_blank\"\u003ePrintables\u003c\/a\u003e project page.\u003c\/p\u003e\n\u003ch2\u003eSave time and support the project\u003c\/h2\u003e\n\u003cp\u003eIf you don't have ready access to 3D printers, or are just looking for a ready-to-go solution, you can purchase a kit here. Proceeds go toward improving the design for everyone, as the Marimo Labs Water Rocket Launcher design will remain free forever.\u003c\/p\u003e\n\u003cp\u003eThis kit includes all required printed and non-printed parts for the standard design. Printed components are made from American-made PETG polymer for durability and heat resistance. \u003c\/p\u003e\n\u003ch2\u003eKit Contents (comes unassembled)\u003c\/h2\u003e\n\u003cp\u003ePlease see the products image below for included parts. Pictured with 0.5L bottle for scale (not included); compatible with a wide range of soda\/seltzer bottles. Colors may vary.\u003c\/p\u003e\n\u003ch3\u003ePrinted Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Base v1.22\u003c\/li\u003e\n\u003cli\u003e1x Collar v1.42\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e3x Leg v1.06\u003c\/li\u003e\n\u003cli\u003e3x Peg v1.41-L\u003c\/li\u003e\n\u003cli\u003e1x Carrier v1.31\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClamp and Pin Subkit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e7x Clamp v1.44\u003c\/li\u003e\n\u003cli\u003e2x Launch Pin v1.2 (printed on smooth plate)\u003c\/li\u003e\n\u003cli\u003eParaffin beads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCore Subkit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eTR414 tire valve stem\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eO-ring 22mm OD x 15mm ID x 3.5mm CS\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e210mm hose extension\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e6\" reusable straw (color may vary)\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eCore Type B v1.2 (printed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eSchrader valve tool (color may vary)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRubber Band and Cord Subkit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5x blue EPDM elastic bands #33 (3 1\/2\" x 1\/8\")\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e3-meter (10-ft) 1.18mm 100lb tensile strength orange paracord\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Clamp and Pin Subkit includes a spoonful of high-melt-temperature food-grade paraffin beads that can help lubricate friction points of the launcher. You can put the beads in the Clamp+Pin bag and shake; you can also put beads between the Collar and Clamps of your assembled launcher and move the Collar up and down to distribute. \u003c\/p\u003e\n\u003cp\u003eIncludes seven Clamps and two Pins, giving you a spare of each. One of the Clamps is blue, which may be placed on the side of the Launcher where the Pin will be inserted, as an additional visual reminder.\u003c\/p\u003e\n\u003cp\u003ePrinted parts are made in the USA from US filament. Rubber bands and cord are made in the USA. Rubber plumbing parts and straw are made in China.\u003c\/p\u003e","brand":"Marimo Laboratories","offers":[{"title":"Default Title","offer_id":46447753592984,"sku":"L-LCHR-01","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/5316\/2392\/files\/L-KIT-LCHR-01Library_1.0x.png?v=1748973829","url":"https:\/\/marimolabs.com\/products\/water-rocket-launcher-kit","provider":"Marimo Labs","version":"1.0","type":"link"}