This has to be one of the most unusual third-party items ever released for a Nintendo product. Makes sense because Nintendo Labo is hardly typical.
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As Bakulog points out, this is Cardboard Coating Spray, which coats cardboard from hand sweat, oil and grime.
Priced at 1,706 yen ($15.30), there is apparently enough spray for ten pieces worth of Labo cardboard.
No, really. This exists.
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