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8 translucent pieces to enhance the playability of your existing marble run.
2 swings & 2 catches that move the marbles through the air.
2 jumps & 2 catches that can be made simple or extreme to create fun challenges.
Compatible with Marbulous Marble Run Toys including our Marble Genius Marble Run Starter Set (60 pc.), Super Set (85 pc.), Extreme Set (125 pc.), & 8 Accessory Sets
Standard toy size marbles (5/8 inch or smaller) work with this set (no marbles included with this set).
Marble Genius Jumps & Swings Marble Run Accessory Add-On Set 8 pcs. B0758L4XYS