Critical Hit LED D20 Die
Geek gamers already have plenty of D20 die, but I bet yours doesn’t light up. The Critical Hit LED D20 Die does. Make every roll count and make it look good.
This 20-sided die for D&D and other RPGs lights up red when you roll a critical hit of 20. This should liven up your game. Every critical hit will seem that much more impressive.
This die is weighted as evenly as is possible with the electronics inside, so it should play well. Only $9.99 from Thinkgeek.