Healthy matrial:All DIY building kits are made of Eco-friendly durable plywood with high quality. The material is non-toxic and safe for the kids. Easy installing:All the building kits are laser cut and easy to build with the 3d assembly instruction manual. And all parts are perfectly interlocked suitable age is 14 years and up. Manufacturered by PUPIU. DIY-Build:The Build and Color aspect of the puzzles help develop the cognitive system by improving focus concentration hand-eye coordination and spatial awareness Educate for fun:This creative Wooden Collectible Figurines is great for some handy artwork relaxation therapy and cognitive health. All our building kits have been specially built to induce therapeutic values to relax the brain. Classical titanic pattern:Reappearing this historical wheel let us recall the classic fragments of the film again suitable for collection and gift.