Item No: 87906

    Hypotrochoid Spiro Pen and Art Set

    Draw circles around the competition
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    Product Description

    Hypotrochoid Spiro Pen and Art Set
    Hypotrochoids are mathematical designs created by a point in a circle rolling around inside of a larger circle. Although the math is complicated making beautifully complex art is simple and enjoyable! Contains: two hypotrochoid templates, one Red, one Blue, and one Green pen, tin Carrying case and instructions.

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    Price: $9.95
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