Mars Retail Group is recalling more than 52,000 M&M’S-branded jewelry pieces because they may contain high levels of lead.

The recall involves all M&M-branded jewelry, including some children’s jewelry.

The earrings, rings, bracelets and necklaces include the M&M’S logo “M” as a charm or other feature. The products were sold in M&M’S World Stores in New York, Orlando, Las Vegas, and Henderson, Nev. from May 2015 to June 2016 for between $6 and $18.

The jewelry may cause adverse health issues if ingested. No injuries or incidents have been reported

Consumers should immediately stop using the recalled jewelry, place the items out of the reach of children, and contact M&M’S World or visit an M&M’S World store to return the jewelry for a full refund.