4D Puzz introduces to you the official 4D Marvel Studios Mjolnir™ . Manufactured with our Core-Gate™ EPS Technology, each model in our series is an official and approved Marvel Licensed Product. Our 3D Technology use precision modeling sheets that are manufactured with 2.00 mm Core-Gate™ EPS 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.