14 individual 11" x 17" charts that prompt and challenge children to match the bases of the individual knobless cylinders with the displayed patterns. This extension is similar...
Linked with color box 1, this set of cards provides real pictures for students with which to categorize things in a logical manner as they develop visual discrimination of...
The Smelling Bottles are used to refine the olfactory sense through matching. The teacher prepares the bottles with a variety of pairs of scents. The set consists of a wooden...
Aimed at providing an extension to the brown stair activities, these cards measure 5.5" x 8.5" and help the children develop visual discrimination. By matching solid objects...
This ingenious representation of a classic design allows the builder to discover the principle of the keystone and its function in the support of an arch. Made from beechwood.