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  1. Knex Big Ball Factory- 3000+ pieces-motor included- bulk lot

    ***around 15 red connectors have been replaced with green connectors as I had run out Set is fully functional with all pieces It is battery powered This is quite an old rare set 4 knex balls included Original instructions included

    eBay

  2. K'NEX Ultimate Big Air Ball Tower Set

    Unleash the fun with the K'NEX Ultimate Big Air Ball Tower Set, a thrilling addition to any K'NEX collection.

    eBay

  3. Knex Big Ball Factory- 3000+ pieces+ extra set included

    Complete vintage set with 3152 pieces included Battery powered/fully automatic 4 balls included Original instruction manual Instructions for extra sets included 4 different builds to pick from For ages 12+ Some pieces are slightly different colours but still the exact same

    eBay

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