Robotime-Rolife Accordion TG410 is an easy DIY wooden saxophone model. Great 3D Wooden Puzzle &Toy for both adults and kids. It is the best Educational toy and holidays gift (such as Christmas, Birthday )Gift for Boys Girls, Teens & Adults, Lovely Home Decoration. I believe people who love life and music must need it. Assembly time is around 1.5 hours.You wont have any trouble to assemble this model kits because of pre-cut wooden board, easy to pop the individual pieces out of the sheets.With the detailed English instruction, easy to understand and follow. Every kid likes to DIY this wooden puzzle model.Great educational birthday and Christmas gifts for your kids.They will be thrilled when they complete this wooden Accordion model.This 3D Puzzle Toys Series are educational. Good for their hand-made ability,Problem-solving,eye-hand cooperation,reading and thinking.