Puzzle Assembled Power Converter Model Science Technology DIY Material Motor generator For ChildrenDescription:Style:puzzleType:practiceMaterial:woodColor:As the picture showSize:Lenght:10cm    Height:8cmWeight :160g Package included:1xmaterial package1xglueStyle:puzzleType:practiceMaterial:woodColor:yellowSize about:10cm long、8cm highWeight about:160g Package included:1xmaterial package 1xglue