This multipart plastic kit builds one Armoured Sentinel – a light walker toting heavy firepower on an sturdy frame. This kit can alternatively build a Scout Sentinel with an open cockpit, which trades durability for extra speed. This multipart plastic kit builds one Armoured Sentinel – a light walker toting heavy firepower on an sturdy frame. This kit can alternatively build a Scout Sentinel with an open cockpit, which trades durability for extra speed.