The designers build a special prosthetic leg for girl who dreams of being a ballerina and help a 73-year-old deaf man with a special hearing aid
Three more moving stories of people in need of some hi-tech help.
Twelve-year-old Pollyanna loves ballet, but 10 years ago she lost her lower right leg.
Engineer Yusef needs to design her a prosthetic that allows her to dance up on her toes.
Bobby (pictured above), 73, has been deaf for the past 20 years and would love to be able to chat to his wife and friends like he used to.
Inventor Akram builds a device to enable Bobby to feel confident and safe out in the
Finally, dad Tobijah (above) needs help with his hands. Paralysed from the chest down after a car crash, he wants to be able to bake a birthday cake for his three-year-old daughter.
Celebrating intelligence and innovation for the good of others, a truly inspiring series.