Constant Function Hot Wheels Track

Starts at: $10.95

Are you "constantly" losing your straight hot wheels tracks? Are you always thinking "If only I had a few more pieces that only go horizontal"?

Well the new "constant function" themed track pieces are what you want. You can raise them above the ground (zero) or, if you're a weirdo, you can bury them below the

ground. (zero) But be sure to keep them horizontal. They don't work any other way.

For Sale Now: $10.95

Equation: f(x)= c

Domain: (-∞,∞)

Range: (0)