The “Hydro Strike Pulsar Pro Water Bead Blaster” consists of a water bead gun, 5,000 dehydrated water beads, goggles, google-mask combination, rechargeable lithium-ion battery, USB battery charging cord, and a hydrating plastic bottle (for the water beads). The water gun has a full auto and semi auto switch that can shoot 8 water beads per second and holds 500 rounds. The item is principally designed for the amusement of children 14 years of age and older.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N321815