How to palce your order of music box mechanisms, following details you need to declare, 1) Which type of musical mechanism do you want to order? Hand crank model,wind up model,pull string model or battery operated model?Normal size 18 note model or large luxury model? For baby toys,dancer music box or cuckoo clock ? Need more functions expect music? Such as rotating shaft,On-off switch and rocking action etc. 2) Which tunes do you want ? More than 1000 hot tunes for your selection. 3) Do you need more attachments? Such as the Winding key,Mounting Screws,Base and others. 4) The lead time. Usually the lead time is a month. 5) Terms of Payment. Usually T/T in advance. If large order quantity, Can be 50% when place order and 50% before shipment.