item: 4820184120891
Number of components: 237
Estimated time of assembly: 12-15 hours
Level: Advanced
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Model size: 16.1*9.1*22 in (41*23.5*56 cm)
Package size: 14.6*6.7*1.2 in (37.5*17*3.5 cm)
Made from wood materials
The models produce motion
Assembling without glue and chemicals
Details are already cut and ready to assemble
Perfect for family projects through hands-on STEM learning