People will try to tell you that you can't play your favorite RPG in the tub. Grab these dice and ignore the naysayers. Moe's note: These dice almost certainly do NOT float.
 
QUACK. I SAID QUACK. This is a full seven piece set of acrylic dice, but each one has a little rubber duck suspended in the middle. They still roll randomly and they're adorable. Not necessarily recommended for bath time use.