{"product_id":"b07hdk244k","title":"ROKR 3D Wooden Puzzle-Mechanical Model-Wooden Craft Kit-DIY Assembly Toy-Mechanical Gears Set-Brain Teaser Games-Best Gifts for Adults \u0026 Teens Age 14+(LG504-Fortress)","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e[ROKR TOWER COASTER] Tower coaster has a more dynamic shape，it is highly praised in the ROKR marble run series.Crank the handle, the marbles can be transported from bottom to top in an orderly manner.\u003c\/li\u003e\n\u003cli\u003e[INTERLOCKING DESIGN] Working in tandem through gears. Sanding the gears with sandpaper and wax it will make the model kit rotate more smoothly.\u003c\/li\u003e\n\u003cli\u003e[A CREATIVE GIFT] Our marble run kits make great sensory stimulation toy gifts and STEAM \u0026amp; STEM puzzle gifts for adults and teens. Children under 14 may require assistance to assemble correctly.\u003c\/li\u003e\n\u003cli\u003e[QUALITY THROUGHOUT] ROKR utilizes industry-leading technology to produce best 3d wooden puzzles.All pieces are laser-cut and the error is less than 1\/5000 inch,make sure each part fits tightly.\u003c\/li\u003e\n\u003cli\u003e[DETAILED INSTRUCTION] We offer a detailed how-to booklet.It will take about 6 hours to build up this 3d puzzle for adults.Teens around 14 take longer.\u003c\/li\u003e\n\u003cli\u003e[SERVICE]ROKR offers free replacement of damaged parts.If there is any problem, we will assist to check and provide guidance.Simply contact us and we will respond within 12 hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ROKR-InterestingSmartPuzzleToys","offers":[{"title":"Default Title","offer_id":53599066980631,"sku":"B07HDK244K","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/7009\/7175\/files\/81VzJMnc5OL._AC_SX679.jpg?v=1782895901","url":"https:\/\/brixtakids.com\/products\/b07hdk244k","provider":"Brixta","version":"1.0","type":"link"}