4D Puzz introduces to you the official 4D Harry Potter Hogwarts Express. Manufactured with our Core-GateEPS Technology, each model in our series is an official and approved Warner Brothers Licensed Product. Our 3D Technology use precision modeling sheets that are manufactured with 2.00 mm Core-GateEPS Technology . All color specs are approved through pantone references to match the true likeness and color. The final assembled product is a real-life collectible model for the core fan. A full instruction booklet is included. No glue is required.