Click Rule (12" Extension) one button The MAD Lab has designed

The MAD Lab has designed 47 tactile layouts corresponding with the 3D puzzle worlds found in Learn to Code 1

* The print is raised with black letters on white background

Tactile Graphics and Braille

slide the small plastic guard back over the prongs before returning the unit to storage

Tasmanian Devil: Bar Graphs 1

Click Rule (12" Extension) one button The MAD Lab has designedIf you use your click rule often but need to measure larger projects, purchase an extra extension. * Extension piece measuring 12 inches. * A click rule has tactile marks on the measuring device and makes a click sound as you move the measuring tool to indicate the length or depth of an object such as wood, a hole or other project. * Measure precisely to 1 16 of an inch. Note: Two products are shown in the photograph. The 12" extension is the larger