Metal Earth German U-Boat type XXI construction set Make your own 3D Laser Cut Metallic Model. The Metal Earth collection by Fascinations is made of small parts that are pre-cut with a laser in a thin metal sheet. The German U-Boat type XXI consists of two thin metal plates. First cut or turn out all the pre-cut parts. Fold the parts into the right shape and put two pieces together by sliding tabs or pins through a slot. You can assemble this model completely without glue! A fine pair of cutting and needle nose pliers is useful to use. The handy instructions are always explained step by step in the packaging. Specifications: Gender: unisex Color: silver Material: metal Age: from 14 years Package dimensions: 12 x 17 x 0.2 cm Assembly time: 2 hours