Cleverly combine the principles of art and mathematics and create beautifully intricate designs with the distinctive wheels and rings.  Choose from the gears and wheels and create whirling, spiraling, mix and match patterns. Use the design guide to try out tried and true designs, or get creative and create cool and colourful graphics of your own. Packaged in a convenient tin. Includes: 7x Spirograph Precision Wheels, Spirograph Precision Ring, Spirograph Precision Rack, 6 grams of Reusable Spiro-Putty, 2x Retractable Ballpoint Pens, Guide Book, 24 page Design Pad, Snap-in storage tray. Ages 8yrs.