Wings (ages 5-12):
Q: What materials are dollar bills made out of?
A: The paper for dollar bills is composed of 75% cotton and 25% linen – with the security thread and watermark built in.
Fliers (ages 13-15)
Q: Which paper bill lasts the longest in circulation?
A: Hundred dollar bills last the longest, because they are not used as often as other bills. Fives and tens wear out the fastest because they're used the most. On average, a one-dollar bill will last about 21 months in circulation.