[Matt Yuan] recognised the potential of the single-shot design, though, and repurposed it as a powerful Nerf blaster. The blaster is a simple spring-plunger design. Upon pulling the trigger ...

Elsewhere, a similar design is available in the Heavy Duty Toilet Plunger at Robert Dyas for £12.99. If a traditional cup-on-a-stick plunger is more to your liking, check out the Saber 5.5-Inch ...