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Verify a marble run

Marble runs sold under a MiniMarbleRuns Commercial licence have a serial number on the underside of the base, below MINIMARBLERUNS.COM. Enter it to check the seller was licensed.

About serial numbers

• Each serial belongs to one design and one licensed seller, so several prints of the same design share a serial.
• Prints made while a seller’s licence was active stay licensed after it ends.
• Every download from MiniMarbleRuns has MINIMARBLERUNS.COM on the underside. Only Commercial downloads have a serial number.

Want to sell your own designs? See the Commercial licence.