It cost 70, 199, or 499 in the Small, Big, and Massive Gifts. However, as the Gifts were updated with new items, the Neon Blue Skateboard is now unobtainable unless through trading with other players.
Being a vehicle, this item is designed to make getting around the Adoption Island an easier task.
The Neon Blue Skateboard features a neon blue base and leaves behind a glowing blue trail when ridden. Its normal counterpart is the Blue Skateboard.