Model Size Addiator: 8.5 x 4.3 x 0.91 in Model Size Multiplier: 9.8 x 10.0 x 1.6 in Package size: 8.1 x 7.4 x 2.5 in Number of parts: 117 Level: Easy Assembly Time: 2 hours Recommended Age: 8+

Number of components: 319 Level: Medium

Model size: 4.8 * 2.6*4.6 in (12.2 *6.5*11.7 cm) Package size: 3.6*8.3*0.6 in (9.2*21*1.5 cm) Number of Components: 73 Estimated Time of Assembly: 2 hours Level: Easy

Model size: 6.2 x 12.2 x 6.2 in (15.7 x 31 x 15.7 cm) Package size: 14.7 x 6.7 x 2 in (37.3 x 17 x 5 cm) Electronic components: Yes Number of components: 340 Estimated time of assembly: 6 hours

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: 550 Level: Advanced

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+

Number of components: 340 Level: Medium Model size: 14.5 x 10.7 x 4.6 in (36.9 x 27.3 x 11.7 cm) Package size: 14.7 x 6.7 x 2 in (37.3 x 17 x 5 cm)

Number of components: 120 Level: Easy Model size: 8.7 x 5.7 x 4.1 in (22 x 14.5 x 10.5 cm) Package size: 7.4 x 6.7 x 1.4 in (18.7 x 17 x 3.5 cm)

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

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