3D Puzzles for Adults 1:5 Scale Cello Model Kit with Base 199pcs Wooden Music Box Building Kit Desk GiftVINTAGE CELLO MODELThe Cello 3D puzzle is a 1 5 replica of the classic music instrument. It features a book and tome as its base, with a see through structure full of gears. Both kids and adults will enjoy building and proudly displaying this unique piece. The melody it plays is "Nocturne, Op. 9, No. 2 in E flat." SELF DRAWING BOWThe Cello model kit is driven entirely by gear transmission, eliminating the need for batteries. Simply wind up the spring