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.

Model size: 8.3*8.3*10.2 in (210*210*260 mm) Package size: 14.6*6.7*1.7 in (378*170*42 mm) Number of components: 305 Level: Medium Estimated time for assembly: 6 hours

Model size: 8.3*7.3*7.3 in (210 *185*185 mm) Package size: 14.6*6.7*1.3 in (378*170*32 mm) Number of components: 184 Level: Medium Estimated time for assembly: 4 hours

Closed Model Size: 6.9 x 5.5 x 3.9 in Open Model Size: 11.0 x 8.7 x 7.9 in. Package size: 14.6 x 6.7 x 1.3 in Number of parts: 185 Level: Medium

Size Model: 5.12*5.12*6.3 in (130*130*160 mm) Package size: 14.6*6.7*1.2 in (37,4*17*3 cm) Number of components: 101 Level: Easy Estimated time of assembly : 1-2 hours