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Math Instruments

Helix Geometry Compass

Popular
  • 3 months ago
  • Gambino

Helix Geometry Compass, perfect condition.

Sell
$7
Math Instruments

Large Helix Triangle Ruler Set

Popular
  • 3 months ago
  • Gambino

Helix set, 4 in total, all perfect condition except one of the larger rulers is chipped as you can see in the photo. Send a…

Sell
$9