Ugears Aero Clock ★ Mechanical 3D Puzzle Kit Model Birthday Xmas Christmas Gift Present Kids Adults ToysModel size: 29. 5*18. 5*6. 5 in (75*47*16. 5 cm) Package size: 14. 9*6. 7*2 in (37. 8*17*5 cm) Number of components: 320 Estimated time for assembly: 11 hours The time has come! For years, we've been hearing the same question again and again from our loyal customers: "Can Ugears create a working clock model kit, one that actually keeps accurate time?" A working mechanical wooden clock has long been our #1 "most requested" new design. Your dream has