Scale Model Vehicle: It is inspired by the evolution of road vehicles back to the 19 century.Characteristic vehicles of the era are replicated into the mini scale models with detailed structures. No Glue Needed: Unique Mechanical 3D Puzzle,laser-cut ply wood,no tonxic,environmental friendly,smooth wooden board.All pieces are pre-cut,no glue needed.The interlocking mechanisms are pretty ingenious. Detailed English Instruction: Making this mechanical model toy requires not only attentiveness but also patience.Feel the pride of assembling this entire IQ toy set-up with your very own hands. Creative Gift: What a fascinating thing to see the mechanical miracle coming to life by your own hands.Best Holiday gift for your boyfriend,girlfriend,husband,wife who is model builder or puzzle lover.It looks so cool and creates a decent challenge for an adult. Perfect Decoration: The 3D wooden puzzle has decorative designs that look captivating in the finished product.It is a challenge for both eyes and hands,and also a perfect display for stylish collections