{"title":"Epic War","description":"\u003cp\u003eStep back into historical conquests won by mechanical siege weapons. The Epic War collection invites you to build functional wooden replicas such as ballistas and wheeled siege artillery and learn the principles of tension mechanics, propulsion, and mechanical gearing along the way. Rotate, tilt, aim, then launch light projectiles like rubber bands and ping pong balls to hit your targets.\u003c\/p\u003e\n\u003cp\u003eLeaning on classic physics and time-tested battlefield mechanics, the Epic War machines demonstrate how early engineers experimented with angles and distance to calculate trajectory, force, and impact. Puzzle lovers, learners, crafters, and historians everywhere will find the balance between interactivity and engineering challenge a huge blast.\u003c\/p\u003e","products":[{"product_id":"rokr-siege-heavy-ballista-3d-wooden-puzzle-kw401","title":"ROKR Siege Heavy Ballista 3D Wooden Puzzle KW401","description":"\u003cp class=\"large-2 col pb-0 mb-0\"\u003e\u003cstrong\u003e\u003ciframe width=\"900\" height=\"506\" src=\"https:\/\/www.youtube.com\/embed\/y9-Ihs-SOck\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\"This is a ballista model \u003ca href=\"\/es\/collections\/3d-wooden-puzzle\" title=\"Robotime 3D Wooden Puzzle\"\u003e3D wooden puzzle\u003c\/a\u003e of an ancient battlefield siege. It scales according to the original ballista, and ancient elements such as loop patterns are added to the appearance. Generally, the bowstring of the crossbow arrow is arc-shaped, and this product uses the arc as the basis, and the bowstring of the crossbow body has been improved to fit the characteristics of the ancient siege equipment.\u003cbr\u003e\u003cbr\u003ePatterns matching the ancient siege equipment are bent around the base and crossbow body. The product only needs to gently pull the trigger, and then you can experience the joy of operating the siege equipment. This 3D wooden ROKR puzzle is a perfect educational toy for kids, teens, and adults. Challenge yourself by assembling it with your own hands.\u003c\/p\u003e\n\u003cp\u003e[Planetary Gear Mechanism] The base is equipped with a planetary gear structure, which can realize 360-degree rotation, thereby driving the crossbow body and adjusting the shooting position of the crossbow.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e[Ratchet Mechanism Gear Drive] Turn the side handle, the tilt angle of the crossbow body can be adjusted through the gear drive, and the position can be fixed with the ratchet; to adjust the angle down, you need to loosen the ratchet and turn the handle again to adjust the angle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e[Ejection Mechanism] Use rubber bands to accumulate force to achieve string tensioning mechanism; hook the bowstring with teeth (hooks), install the arrow in the arrow groove of the crossbow body, adjust the angle of the crossbow body, and pull the trigger to make the \"tooth\" It retracts, the string is unhooked, and the kinetic energy formed by the rapid rebound of the opened bowstring is used to shoot the arrow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003e\u003cstrong\u003e*Notes:\u003c\/strong\u003e Due to customs policy, the wax may not be included in the package. Wax: you could use ordinary candles, crayons, beeswax, etc.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"ROKR","offers":[{"title":"Default Title","offer_id":44221260890270,"sku":"KW401","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2765\/1230\/files\/e26614af56ac4c836a18e385cf81ba22.jpg?v=1723703845"},{"product_id":"rokr-3d-wooden-puzzle-wheeled-siege-artillery-kw801","title":"ROKR 3D Wooden Puzzle Wheeled Siege Artillery KW801","description":"\u003cp class=\"large-2 col pb-0 mb-0\"\u003e\u003cstrong\u003e\u003ciframe width=\"900\" height=\"506\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/y9-Ihs-SOck\" allowfullscreen=\"allowfullscreen\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003eROKR Wheeled Siege Artillery \u003ca href=\"https:\/\/www.robotimeonline.com\/collections\/3d-wooden-puzzle\" title=\"3D Wooden Puzzle for Kids \u0026amp; Adults | Robotime\"\u003e3D wooden puzzle\u003c\/a\u003e is produced by the elastic force provided by the rubber band (which may be changed to a spring or other structure) and the cooperation between the parts replaces the battery and realizes the manual launch.\u003c\/p\u003e\n\u003cp\u003eFor the round barrel, the small wooden slats used are pieced together into the near-circular barrel, which provides the necessary path for the projectile.\u003cbr\u003e\u003cbr\u003eThis cool ROKR puzzle weaves history and reality together, allowing us to hear the voice of a hundred years ago. The large and heavy shape shows extraordinary momentum. Combination of gameplay and style, echoing the past and the present.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003e\u003cstrong\u003e*Notes:\u003c\/strong\u003e Due to customs policy, the wax may not be included in the package. Wax: you could use ordinary candles, crayons, beeswax, etc.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"ROKR","offers":[{"title":"Default Title","offer_id":44221265281182,"sku":"KW801","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/2765\/1230\/files\/9ac50fd36ff5c9acb8505fa1ca02f590.jpg?v=1723703864"}],"url":"https:\/\/www.robotimeonline.com\/es\/collections\/epic-war.oembed","provider":"Robotime Online","version":"1.0","type":"link"}