KRAFTMASTERS 3Pcs Creative Gift Designer Spirograph Geometric Ruler Drafting Tool Art & Craft Ruler  (Set of 3, MULTICOLOUR)

Spirograph Geometric Ruler and Drawing Toy - Great for increasing your creativity Perfect choice for children brain development Usage: Place the ruler on a sheet of plain paper. Place the small circle provided inside the ring. The point of a pen is placed in one of the holes of the circle. As the circle is moved, the pen traces out a curve. Pens of various colors can be used, to add texture and color to the design by switching colors in a set pattern or a random fashion, as seen in the image above. Pack of 3 Sets. Each set contains 1 ruler with drawing tool and 3 circles to draw Patterns.