The grand slam bomb comes in three parts and can be glued together using epoxy The fins on the rear part of the grand slam come pre assembled, these are set at the correct 5 degree angle as originally designed by Barnes Wallis. Ideal for display purposes on their own or to add to a weapon trolley Sanding and filling will be required All conversion kits are printed to order, a visual inspection will be completed before each kit is shipped to ensure it's perfect! Thank you and happy modelling!!