Graph Stamp Set

Product Description

Set includes Rectangular Coordinates I (100 blocks per square inch, size 3" x 3"), Rectangular Coordinates II (16 blocks per square inch, size 3" x 3"), and Polar Coordinates (pattern consists of six concentric circles from 7/16" to 2-7/8" diameter in 1/4" radius increments. Main radii at 15° intervals subdivided at 5°). Grade 3 and up.