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Spreading Holiday Cheer by Rewiring Toys

Duke Engineering student group modifies toys for children with disabilities

Members of the student group "Project Tadpole" help rewire toys for children with disabilities at a Raleigh event in 2016Santa’s elves got a little bit of help this year from Duke University engineering students.

Along with more than 200 volunteers from across the Triangle, members of the Duke student group Project Tadpole spent a day modifying nearly 350 toys for children with disabilities to help spread holiday cheer. Dubbed “Santa’s Little Hackers,” the event was a satellite of the original program based in Colorado.

During the event, Duke students oversaw simple modifications, helping volunteers solder new electronics into the toys—mostly simple devices that move, talk or light up by pushing a button or squeezing a hand. Many children with disabilities, however, lack the fine motor control needed to interact with such toys. To work around the problem, volunteers installed battery interrupters and new switches that are easier for children to activate, such as large external buttons or levers.

While they were soldering, other volunteers were boxing and packaging the newly modified toys, which were shipped to people in need around the world for free. But that was just during a single event—the group modifies toys year-round, offering a much-needed service for local parents while providing the students with hands-on experience.

Members of the student group "Project Tadpole" help rewire toys for children with disabilities at a Raleigh event in 2016“I joined Project Tadpole as a freshman and it was a really eye-opening experience,” said Brianna Loomis, now a senior and a leader of the club. “When you first start out as an engineering student, you’re learning more about coding and fundamentals than you are about physical engineering skills. But in this group, you’re able to use multimeters and oscilloscopes while soldering actual wires. You’re learning engineering skills while doing something good for the community.”

Project Tadpole originally started by the North Carolina Assistive Technology Project as a statewide library of modified toys available for request for any family in North Carolina. Many of the toys, however, would come back to the program broken, presenting a challenge to the small, backlogged operation.

Where Project Tadpole saw a challenge, however, Kevin Caves saw an opportunity. An expert in technologies to assist people with disabilities, Caves thought that students in his biomedical engineering classes could help.

“I offered to have students fix the toys during a class I teach on biomedical engineering for people with disabilities,” said Caves, who holds clinical associate positions in the departments of surgery and medicine. “We got to help people out while learning hands-on repair fundamentals like soldering and diagnosing circuits.”

After a break in state funding, however, the toy library had to close its operations. That didn’t mean that the students had to stop reaching out to the community, however--they just formed a student-led, student-run group by the same name of Project Tadpole.

A table full of tools and toys for modification during an event co-hosted with mobile makerspace BetaboxWithout a library of toys to repair, the group had to find other ways of connecting to local parents and children. They began hosting modification workshops, where parents could come with their children to have their toys modified or to learn how to do the modifications themselves. The group also meets every week for an hour in the basement of Duke’s Hudson Hall to modify toys and plan their next event.

At the Santa’s Little Hackers event, the group was introduced to Betabox—a mobile, shipping-container-sized laboratory dedicated to eliminating “technological deserts.” This past November, Project Tadpole teamed up with Betabox at the Orange County Public Library to offer a new type of event.

“For us, equipment like oscilloscopes, 3D printers and laser cutters are part of our everyday lives, but a lot of students in local schools aren’t able to interact with this technology,” said Varun Prasad, a senior in BME and co-leader of Project Tadpole. “Betabox brings this type of equipment to the students and gives them the chance to be in a workshop for a day. If we can get local students interested in science and engineering while also helping out some of their neighbors with modified toys, that’s a win for the entire community.”