Set 7018-1 : Viking Ship challenges the Midgard Serpent [Vintage & Retired:Vikings] [BrickLink]
Technic, Disk 3 x 3 with Viking Shield Blue / White 6 Section Pattern (Sticker) - Sets 7018 / 7021 : Part 2958pb003 | BrickLink
LEGO Set fig-004684 Viking Warrior - Armour, Battle Axe on Torso, Sand Green Arms, Dark Green Legs, Light Gray Hair (2006 Vikings) | Rebrickable - Build with LEGO
LEGO 7018 Viking Ship vs. the Midgard Serpent | BrickEconomy