I'm selling this as I received it as a gift but don't need it. Includes a Japanese instruction manual. I don't know the details of how to assemble it, etc., so I can't answer those questions (＞＜) ／ Price negotiations are OK❣️ ＼ #43ichigo shop's list is here Many other items are also on sale❤️ Please take a look☆ ＊Only one of each item, so first come, first served ＊Welcome to bulk purchases! Feel free to comment ＊Please understand that items are stored at home and will be shipped with simple packaging before purchasing ╰(*´︶`*)╯♡ ＊Please check the actual photos for the condition of the product. Programming Toy 13-in-1 Solar Robot Kit Toys for 8 9 10 11 12 Year Old Boys STEM Project Assembly Science Toy Set Solar Powered Robotics Kit Gift Robot Educational Birthday Christmas Present Boys Girls 8 Years Old - 12 Years Old with Japanese Instruction Manual 43-4-3-980