Number of components: 460 Estimated time of assembly: 8 hours Level: Advanced

Model size: 8.9 x 3.1 x 3.3 in  Package size: 14.9 x 6.7 x 1.1 in Number of parts: 246 Level: Medium Assembly Time: 6 hours Recommended Age: 14+ Kit weight: 1.48 lbs Manufacturer: UGears

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: 337 Estimated time of assembly: 7 hours Level: Advanced

Number of components: 192 Estimated time of assembly: 4 hours Level: Easy

Model size: 7.7 x 2.6 x 5.9 in  Package size: 14.9 x 6.7 x 1.1 in Number of parts: 268 Level: Medium Assembly Time: 6 hours Recommended Age: 14+ Kit weight: 1.59 lbs Manufacturer: UGears

Number of components: 315 Estimated time of assembly: 6 hours Level: Medium

Number of components: 44 Estimated time of assembly: 1 hour Level: Easy

Model size: 15.3x4.7x5.1 in Package size:  14.9x6.7x1.2 in Number of parts: 321 Level: Advanced Assembly Time: 8 hours Recommended Age: 14+ Kit weight: 1.57 lbs

Number of components: 400 Estimated time of assembly: 8 hours Level: Medium

Number of components: 43 Estimated time of assembly: 1 hour Level: Easy

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