[ Vintage 3d Puzzle Gramophone ] - The 3d wooden puzzle for adults is inspired by the 19th century classical gramophone to improve the structure, which is not only a 3d wooden puzzle toy, but also a phonograph model that does not need batteries to playreal sound. [ Multiple Ways to Play ] - Such DIY record player 3d wooden puzzle is equipped with double modes: electric mode, manual mode. The manual mode includes labor-saving mode and pure hand-crank mode. Electric mode means that we need to attach electric packageto the bottom of the model and then power it up to enjoy the music. Meanwhile, this gramophone can play at 33 rpm, 45 rpm or 78 rpm, supporting 7/10-inch records, covering the mainstream record type. [ Assembly Tips ] - 424-pcs-project requires great patience and carefulness. Eco-friendly wood sheets, necessary spare parts, illustrated English instructions, all in one package. Any problems occurred during assembly, pls feel free to contact us forassistance. [ Modeling & Structure ] - Classic gramophone style combines with mechanical transmission structure and mortise and tenon joint technology make this phonograph craft kit a representative of mechanical retro style. [ project with endless fun] - Enhance hands-eye coordination, improve spatial imagination, this record player 3d wooden puzzle for adults helps kids understand the working principle of the gramophone while offering the assembly fun. Certainly, thismust be a well-received gift choice for puzzle enthusiasts. Let alone that the music soothes your heart while taking it as a collection ornament.