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)