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+

Model size: 4.5 * 3.3 * 6.6 in (11.5 * 8.3 * 16.7 cm) Package size: 8.1 * 7.4 * 2.5 in (20.5 * 18.8 * 6.3 cm) Parts count: 92 Assembly time, hrs: 1-2

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

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

Model Size: 5.3*2.6*4.8 in (13.5*6.5*12.2 cm) Package size: 8.1*7.4*2.5 in (20.5*18.8*6.3 cm) Number of components: 157 Level: Easy Estimated time of assembly: 1-2 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

Size: 10.1 x 8.3 x 4.5 in  Package size: 14.9 x 6.7 x 1.3 in Number of parts: 370 Level: Advanced Assembly Time: 9 hours Recommended Age: 14+

Model size: 5.1 * 3.9 * 4.3 in (13 * 10 * 11 cm) Package size: 8.1 * 7.4 * 2.5 in (20.5 * 18.8 * 6.3 cm) Parts count: 120 Level: Easy Assembly time: 1-2 hrs

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

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

Model size: 6.9 * 5.3 * 4.1 in (17.5 * 13.5 * 10.5 cm) Package size: 8.1 * 7.4 * 2.5 in (20.5 * 18.8 * 6.3 cm) Parts count: 163 Assembly time 1-2 hours

Model size: 15.2*4.3*9.8 in (38.5 *11*25 cm) Package size: 14.9*6.7*1.7 in (37.8*17*4.2 cm) Number of components: 575 Level: Advanced Estimated time of assembly: 10 hours