AquaGlider-self-propelled-water-toy
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This self propelled water glider, when released underwater, glides fast forward using hydrodynamic forces! No batteries.
It has adjustable fins that can be set for under water boomerang or spiral turns.
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This self propelled water glider, when released underwater, glides fast forward using hydrodynamic forces! No batteries.
It has adjustable fins that can be set for under water boomerang or spiral turns.