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The Art and Science of Spirals (PagePerfect NOOK Book)
     

The Art and Science of Spirals (PagePerfect NOOK Book)

1.8 5
by Victor Dorff
 
The Art and Science of Spirals explains the fascinating but easy-to-grasp mathematics governing the appearance of spirals in art and nature. In addition to hard science, the book includes project templates that will teach you how to create spectacular spirals-just add your own pens and gears. You'll be able to generate hundreds of colorful, eye-catching designs.

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The Art and Science of Spirals 1.8 out of 5 based on 0 ratings. 5 reviews.
Anonymous More than 1 year ago
We bought two sets for our 9 and 11 year old granddaughters. They were immediately drawn into making spiral designs and spent a long weekend on the design process, while we were visiting. They were not interested in the mathematical introduction to spirals in the instruction manual but studied carefully the illustrations of designs. Bright colors of pens in the sets were appreciated. It was not immediately apparent that we needed to pin down the outline shapes. A quick summary instruction sheet would have been helpful. Successful gifts for our purposes!
Anonymous More than 1 year ago
There are no instructions on how to use this. I know we will figure it out, but now I have to spend them time looking for instructions. Would not purchase.
Anonymous More than 1 year ago
Anonymous More than 1 year ago
Anonymous More than 1 year ago
This toy or gadget has gears that were difficult to place together in order to get going. They're much too small for young hands, and I, as an adult, couldn't get them to come together with ease. Didn't make ONE design work. I'm sorry I purchased this one!