Model size: 7.8 x 9.5 x 4.6 in (19.8 x 24 x 11.6 cm) Package size: 14.7 x 6.7 x 2 in (37.3 x 17 x 5 cm) Electronic components: Yes Number of components: 295 Estimated time of assembly: 6 hours

Number of components: 365 Estimated time of assembly: 9 hours Level: Medium

Model size: 16.7*7.3*11.6 in (42.5*18.5*29.5cm) Package size: 14.9*6.7*2 in (37.8*17*5 cm) Number of components: 402 Estimated time of assembly: 9 hours Level: Advanced

Model Size: 15.9 x 10.2 x 12 in Package size: 14.9 x 6.7 x 1.3 in Number of parts: 249 Level: Medium Assembly Time: 5 hours Recommended Age: 14+

Model size: 11.2 x 11 x 4.7 in  Package size: 14.9 x 6.7 x 2 in Number of parts: 573 Level: Medium Assembly Time: 8 hours Recommended Age: 14+

Number of components: 315 Estimated time of assembly: 5 hours Level: Advanced

Number of components: 266 Estimated time of assembly: 6 hours Level: Advanced

Platform 9 ¾™ model kit Model size: 23.4*10.4*9.5 in (59.5*26.5*24 cm Package size:14.9*6.7*1.3 in(37.8*17*3.3 cm) Number of components: 230 Estimated time of assembly: 3 hours Level: Medium

Model Size: 9.3 x 9.3 x 7.9 in Package size: 14.9 x 6.7 x 1.3 in Number of parts: 325 Level: Medium Assembly Time: 6 hours Recommended Age: 14+

Model Size: 11.6 x 10.6 x 10.8 in Package size: 14.9 x 6.7 x 1.3 in Number of parts: 355 Level:  Advanced Assembly Time: 8 hours Recommended Age: 14+ Kit weight: 2.28 lbs

Model Size: 11.6 x 10.6 x 10.8 in Package size: 14.9 x 6.7 x 1.3 in Number of parts: 355 Level:  Advanced Assembly Time: 8 hours Recommended Age: 14+

UGEARS model Aero Clock. Wooden mechanical wall clock with a pendulum. DIY model kit. No glue needed. Works without battery.