#78 Author's Choice *shifty*

One Pair of rollerskates = $20

Knee pads that cover only half the knee and really do not look good on top of wizarding robes = $15

Oversized helmet that covers the eyes when using the rollerskates to zoom through the halls Hogwarts during class period = $30

Black leather gloves that are cut off at the bend of the fingers and their only protection is against skinned palms = $50

Looking like a fool trying to rollerskate in front of the entire student body while wearing knee pads, an oversized helmet and black knuckle leather gloves = priceless

For everything else, there's Headmaster Card!