There is pendulum clock movement set for DIY use, made of good materials, durable and safe to use. They have good manufacturing process and have a durable service life. They are easy to use, easy to install, and helping you with the work of replacing the clock core. Features -Color:Assorted Color -Material:Plastic -Size:12.50X6.00X3.00cm/4.91X2.36X1.18in -Note: shaft length 17mm, thread height 9mm, suitable for 2-7mm thick clock panel; -Battery: AA battery (Not included) - Our practical clock movement is suitable for most clocks, don't have to worry about non-compatibility. - The design of the clock core is simple and generous, and it can be easily matched with various clocks frame. - The clock core's design and accurate timekeeping function can easily win people's love. - This product is made of good plastic materials, wear resistant and useful, durable and practical. - DIY clock movement kit is exquisitely crafted, not easy to deform, sturdy and durable. Package list: 1 x clock movement 1 x chime music box 1 3 x clock hands