Teenager Builds Robotic Arm with Lego Pieces

David Aguliar poses with his prosthetic arm built with Lego pieces. Albert Gea/Reuters
David Aguliar poses with his prosthetic arm built with Lego pieces. Albert Gea/Reuters
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Teenager Builds Robotic Arm with Lego Pieces

David Aguliar poses with his prosthetic arm built with Lego pieces. Albert Gea/Reuters
David Aguliar poses with his prosthetic arm built with Lego pieces. Albert Gea/Reuters

David Aguilar, 19, has built himself a robotic prosthetic arm using lego pieces after being born without a right forearm due to a rare genetic condition.

Aguilar, who studies bioengineering at the International University of Catalonia, Spain, is already using his fourth model of the prosthetic and his dream is to design affordable robotic limbs for those who need them.

Once his favorite toys, the plastic bricks became the building material for Aguilar’s first, still very rudimentary, artificial arm at the age of nine, and each new version had more movement capability than the one before.

Aguilar, who is from Andorra, a tiny principality between Spain and France, told Reuters: "As a child I was very nervous to be in front of other guys, because I was different, but that didn’t stop me believing in my dreams."

"I wanted to see myself in the mirror like I see other guys, with two hands," he added. Aguilar uses the artificial arm only occasionally and is self-sufficient without it. All the versions are on display in his room in the university residence on the outskirts of Barcelona. The latest models are marked MK followed by the number, a tribute to comic book superhero Iron Man and his MK armor suits. Aguilar, who uses Lego pieces provided by a friend, proudly displayed a red-and-yellow, fully functional robotic arm built when he was 18, bending it in the elbow joint and flexing the grabber as the electric motor inside whirred.

After graduating from university, he wants to create affordable prosthetic solutions for people who need them. "I would try to give them a prosthetic, even if it’s for free, to make them feel like a normal person," he said.



Copenhagen to Offer Giveaways to Eco-friendly Tourists

Copenhagen will offer rebates at tourist sites to visitors who use bikes and pick up trash. Asger Korsgaard Jensen / Ritzau Scanpix/AFP/File
Copenhagen will offer rebates at tourist sites to visitors who use bikes and pick up trash. Asger Korsgaard Jensen / Ritzau Scanpix/AFP/File
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Copenhagen to Offer Giveaways to Eco-friendly Tourists

Copenhagen will offer rebates at tourist sites to visitors who use bikes and pick up trash. Asger Korsgaard Jensen / Ritzau Scanpix/AFP/File
Copenhagen will offer rebates at tourist sites to visitors who use bikes and pick up trash. Asger Korsgaard Jensen / Ritzau Scanpix/AFP/File

The city of Copenhagen will offer special rebates and freebies to eco-friendly tourists this summer, including free bike rentals to those arriving by train and staying more than four days.

The CopenPay initiative, which was tested on a smaller scale last year, "is about raising travelers' awareness about travelling more responsibly," Soren Tegen Pedersen, the head of the city's tourism board Wonderful Copenhagen, told AFP.

The emphasis of the initiative is on transport, a highly polluting sector.

Those who make climate-friendly and environmental choices, such as using bikes and picking up trash, will also be offered rebates at museums and tourist sites, as well as free yoga classes and vegetarian meals.

Ninety sites are participating in the campaign, including the National Museum and CopenHill, a synthetic ski slope.

The campaign, which opens on June 17 and lasts until late August, will be advertised on billboards around the city and social media.

Goboat, a hire service for electric motorboats powered by solar panels, said taking part in the initiative last year helped show its commitment to climate solutions.

"Last year, 500 people jumped at our offer of one hour of free boating in exchange for picking up trash in the waters of the port. We weren't even able to satisfy demand," company representative Mads Pilegaard Sander told AFP.

In 2024, 75,000 tourists took part in the city's one-month trial.

Bike rentals increased by 29 percent during the period, tons of trash were collected, and 98 percent of participants said they would recommend the initiative, the tourism board said.