I've never seen this series. The wiki is saying it was a toysRus special but I haven't seen any other blasters in the series. Is this something harder to find ? :
Large Steampunk / Post Apocalypse Cosplay Prop Nerf Gun With Turning Cylinder and Working Fan - Etsy
Honest Review: The Nerf Incisor (Alien Menace Flagship) - YouTube
Nerf Game Report 4/11/17: Melbourne HvZ
Check out this 2016 Alien Menace Nerf Incisor, a semi-auto flywheel blaster thats out of this world! - YouTube
Nerf Game Report 2/9/17: Melbourne HvZ | Blaster Hub
NERF Alien Menace Incisor Motorized Blaster Tested Works | eBay
Amazon.com: NERF Alien Menace Incisor Blaster : Toys & Games