UGears Archballista and Tower Wooden Kit UGEARS goes romantically medieval and invites you to become a siegecraft expert with this new exciting model – Archballista and Tower. Inspired by the best examples of ancient artillery, legendary battles of the past re-enacted in films, books, and games, this model provides a new spin on the classic war machine to test you great conqueror’s skill. Specification: Tower size: 153 x 95 x 96 mm. Archballista size: 90 x 81 x 142 mm. Package size: 370 x 170 x 27 mm. Number of parts: 292.