Model size: 6.6*5*4.2 in (16.8*12.8*10.6 cm) Package size: 8.1*7.4*2.5 in (20.5*18.8*6.3 cm) Number of components: 104 Estimated time of assembly: 4 hours

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

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: 6.8 x 4.8 x 5.2 in Package size: 8.1 x 7.4 x 2.5 in Number of parts: 160 Level: Easy Assembly Time: 2 hours Recommended Age: 8+

Model size: 14.8*5.8*3.9 in (37.5*14.7*10 cm) Package size: 14.7*6.7*2 in (37.3*17*5 cm) Number of components: 249 Estimated time of assembly: 8 hours Level: Advanced

Model size: 5.9*1.9*5.1 in (15.1*5*13.8 cm) Package size: 7.1*10.6*0.3 in (18.5*27.5*0.7 cm) Number of components: 59 Estimated time of assembly: 1 hour

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

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

Number of components: 305 Estimated time of assembly: 8 hours Level: Medium

Model size: 4.3*3.9*1.9 in (11.5*10.3*5.7 cm) Package size: 8.1*7.4*2.5 in (20.5*18.8*6.3 cm) Number of components: 109 Estimated time of assembly: 1-2 hour

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

Model size: 10.3*3.5*5.5 in (26.2*9*14 cm) Package size: 14.7*6.7*1.4 in (37.3*17*3.5 cm) Number of components: 457 Estimated time of assembly: 8 hours Level: Advanced