Wooden mechanical 3D puzzles by Ugears. Heavy Boy Set: Heavy Boy Truck VM-03 that moves without batteries, and Heavy Boy Truck Trailer VM-03. Assemble without glue. Perfect gift!

Wooden mechanical 3D puzzles by Ugears. Harry Potter™ 2-in-1 Set: Hogwarts™ Express that runs up to 6 m, and Platform 9 ¾™. Free worldwide shipping. Perfect gift!

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

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

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

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

Model size: 9.5*4.7*5.1 in (24*12*13 cm) Package size: 14.7*6.7*2 in (37.3*17*5 cm) Number of components: 423 Estimated time of assembly: 8 hours Level: Advanced

Model size: 11.8*5.7*7.3 in (30*14.5*18.5 cm) Package size: 14.7*6.7*2 in (37.3*17*5 cm) Number of components: 562 Estimated time of assembly: 8 hours Level: Advanced

Model size: 36 x 4.9 x 39 in Package size: 14.9 x 6.7 x 2 in Number of parts: 504 Level:  Advanced Assembly Time: 7 hours Recommended Age: 14+

Model size: 16.7*7.3*11.6 in (42.5*18.5*29.5cm) Package size: 14.9*6.7*2 in (37.8*17*5 cm) Number of components: 402 Estimated time of assembly: 9 hours Level: Advanced

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

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