The Lightning Blaster Double Barrel Water Bead Blaster is a water-based bead blaster for hours of fun for all. Grab your friend, cousin, or the neighborhood kid down the street and load up your blasters with Gellets. The speed is adjustable between 90 and 170 fps, and features semi-automatic and full automatic blast mode options. The Gellets burst on impact, without the pain, and are eco-friendly, non-toxic, and non-irritating. No staining and no clean-up required, making this an easy choice for parents as well.