A 13-year-old boy was hospitalized in New Zealand after swallowing up to 100 magnets that he purchased online.

The child, whose name was not publicly disclosed, was admitted to a hospital four days after he began experiencing abdominal pain, according to a report published in the New Zealand Medical Journal on Friday, Oct. 24.

He reportedly ingested the magnets one week prior.

Researchers said an X-ray was taken and showed “four linear chains of magnets” linked together, composed of what the boy indicated was “approximately 80–100 5x2mm high-power (neodymium) magnets” that he allegedly purchased from online retailer Temu.

The patient was treated at Tauranga Hospital, Radio New Zealand reported.

“Foreign body ingestion is common in (pediatric) patients,” the study reads.

It added that while “most foreign body ingestions pass spontaneously without causing injury,” some “can have serious consequences such as pressure necrosis, perforation and fistulation,” leading to surgical removal of the items.

The New Zealand Medical Journal did not say why the 13-year-old swallowed up to 100 magnets, but said “accessibility to high-power magnets is a rising concern for our (pediatric) population, which may be due to the ability to purchase from online marketplaces at inexpensive prices.”

Photos published in the study showed the retrieval process, and indicated that the magnets “appeared to be in separate parts of bowel” but were “adhered together due to magnetic forces.”

Doctors discharged the boy eight days after his surgery, establishing a “successfully progressing diet.”

Medical professionals warn that ingesting magnets can lead to serious consequences such as pressure necrosis, perforation, obstruction, fistula and sepsis. Additionally, even when the problem is caught early on, it can lead to further complications later in life.

Product safety laws in Australia and New Zealand ban the sale of small high-powered magnets. However, researchers noted that it can be difficult to regulate purchases from overseas merchants and online markets. This can lead to minors being able to obtain banned materials, thanks in part to the products “being inexpensive and not always requiring age verification,” the researchers suggested.

Temu did not immediately respond to PEOPLE’s request for comment.

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“We are sorry to learn about the reported incident and wish the boy a full and speedy recovery,” a Temu spokesperson told Radio New Zealand and Fox News.

“We take product safety very seriously and continuously monitor our platform to ensure sellers are complying with the safety regulations of the markets they are doing business in,” the spokesperson continued. “At this stage we have not been able to confirm whether the magnets involved were purchased through Temu or identify the specific product listing.”

“Nonetheless, our teams are reviewing relevant listings to ensure full compliance with local safety requirements,” the spokesperson said. “Any products found to be noncompliant will be removed and we will take firm action against any sellers found to have breached our platform rules or local regulations.”