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A model railroader's fast clock. Designed to look like a pocket watch, it functions in 1x, 2x, 3x, 4x, 6x, 10x and 12x speeds. Displays digital time a …

Remainders is a calculator to solve division problems in the remainder form used by elementary school kids. For example, 7/3 is "2 remainder 1" and 2. …

A scale ruler for the model railroader. It contains a ruler, an automobile, a human, styrene sizes chart, angle chart, track gauge and rail height ref …

Gradient level reads the current slope as a percentage. Often used on roads and railroads to indicate the steepness of a grade. Many model railroaders …

MathFlash delivers an easy way for children to drill basic math facts. We created a simple flash card system to help our daughter, who is in 1st Grade …

ModelSpeed is a model railroad speedometer. Ever wonder how fast your model trains are running in scale speed? Now you can find out. Speed is calculat …