Set of six matching pairs of wooden tablets that are covered with sandpaper of varying grades of roughness, in a wooden box. Each pair is color-coded on the back for a control of error.
$56.00 CDN
8 matching swatches of a variety of different fabrics. Includes storage box with lid.
$24.00 CDN
Set of three wooden rectangular boards with rough or smooth surfaces: a board with half of the surface rough and half smooth; a board with a series of alternating rough and smooth strips; a board with a series of rough strips arranged in gradation. Includes storage box with lid.
$22.00 CDN
