I See Your Spinners & Bottle Caps & Raise You...

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25 bucks, free shipping at Yugster. Description says: “The magnetic balls are perfectly suitable for amusing kids.” Whaaaat? I thought these were banned?

https://www.yugster.com/daily-deal/81937-216pcs-neodymium-iron-boron-magnetic-balls-with-steel-case-silver-5mm