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Inventory Builders

Build your HyPars inventory with our replacement toy parts and expansion kits. Shop for new colors, extra connectors & more pieces to unlock new designs.

  • Small Inventory Builder: Essential Expansion Kit

    Small Inventory Builder: Essential Expansion Kit

    $29.99
    On Sale! $26.99

    Our smallest HyPar Inventory Builder. Just enough to get you started in the world of hyperbolic paraboloid building. This set comes with 50 HyPars and 75 connectors in whichever color you choose.

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  • Medium Inventory Builder: The HyPars Expansion Set

    Medium Inventory Builder: The HyPars Expansion Set

    $44.99
    On Sale! $38.25

    Are you excited about HyPars? Almost all of our kits can be built with the amount of HyPars in this set. 100 HyPars and 150 connectors in the color of your choice!

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  • Large Inventory Builder: Large Expansion Set

    Large Inventory Builder: Large Expansion Set

    $74.99
    On Sale! $63.75

    For the true HyPar aficionado. This set will curve your creativity to new heights! 200 HyPars and 300 connectors in your choice of colors, more than enough to build whatever sculpture you have in mind!

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  • Rainbow Inventory Builder

    Rainbow Inventory Builder


    On Sale! $0.00

    This is our very popular, rainbow edition, inventory builder! It comes in small (50 HyPars, 75 Connectors), medium (100 HyPars, 150 Connectors) and large (200 HyPars, 300 Connectors) just like the regular inventory builders but in all the colors of the rainbow: Red, Orange, Yellow, Green, Blue, Indigo and Violet!

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