iDventure DIY Wooden Marble Run Mode Dragon 3D Mechanical Wooden Puzzle Model Kit fr Adults and Teens Hand Cranked Mechanical Gear with 15 Steel Balls

iDventure DIY wooden marble run Dragon 3D wooden puzzle kit for adults teenagers mechanical marble run to build yourself model kit with 260 components 15 marbles EXCITING HANDICRAFT PROJECT iDventure Marble Run Dragon is a wooden kit that you can use to assemble your own marble run Escape the stress of everyday life and improve your concentration The construction time is about 4 hours PERFECT AS A GIFT Are you already looking for a suitable Christmas present for friends family Once you have successfully assembled the marble run you will receive a fascinating mechanical construction and an amazing marble run maze in one WITHOUT TOOLS AND ADHESIVE Treat yourself to pure handicraft fun The 3D kit is assembled without tools and without glue so you can get started right away with the included components and stepbystep instructions AMAZING DETAILS The marbles are automatically transported to the top and can be switched to two lanes with a switch toggle switch A hand crank sets it in motion MADE FROM SUSTAINABLE WOOD All components are precisely lasered and made from sustainably grown wood The set contains 260 components and 15 metal marbles The assembly size is 72 x 85 x 47 in