Construction Toys

These construction toys all have excellent geometry content.

Leonardo Sticks
$19.95
This construction toy is based on one of the many inventions found in Leonardo da Vinci's notebooks, namely a system of wooden beams that form a domed roof. With this kit you can construct models of the designs that Leonardo sketched but never built. No glue, knives, string or anything other than the sticks are needed, and the models can be easily taken apart and reassembled in many different configurations. Contains 72 8" long colored and notched sticks, with instruction booklet and wooden case. Ages 8 to adult.
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Polydron - Platonic Solids Set
$29.95
Polydron is a system of durable plastic shapes that snap together by means of a unique clip hinge, making it easy to assemble two- and three-dimensional solids. The Platonic Solids Set contains 32 equilateral triangles, 6 squares, and 12 pentagons; enough to build all five Platonic solids simultaneously. Packaged in a durable plastic tub.
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Polydron - Geometry Set
$73.95
The Geometry Set contains 50 equilateral triangles, 20 squares, 12 pentagons, and also 10 hexagons. Packaged in a durable plastic tub.
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Polydron equilateral triangle
$0.50
Individual equilateral triangle. If you have a color preference, please specify red, blue, yellow, or green, and we'll ship that color if possible.
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Polydron square
$1.00
Individual square. If you have a color preference, please specify red, blue, yellow, or green in the comments box, and we'll ship that color if possible.
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Polydron isoceles triangle
$0.75
Individual isoceles triangle. Short edge matches edges of regular polygons. Long edge is root 2 times the short edge in length. If you have a color preference, please specify red, blue, yellow, or green, and we'll ship that color if possible.
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Polydron rectangle
$1.25
Individual rectangle. Short edges match those of regular polygons; long edges are root 2 times the short edges in length. If you have a color preference, please specific red, yellow, blue, or green in the comments box, and we'll do out best to ship that color.
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Polydron Solid-Angle Protractor
$12.95
Easily and accurately measure solid angles in polyhedra using this durable protractor!
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