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Nervous system

Born with the Poland Syndrome birth defect, which means he has no right forearm, David Aguilar started experimenting with building Lego prosthetics when he was nine years old and with each passing year his efforts grew more ambitious.

Using a Lego Technic helicopter set, which is more sophisticated than the traditional building blocks, David was able to create his latest model, the MK2, which boasts a battery-operated bicep – so when he attaches it to his shoulder and pulls on a cord, the hand closes.

How I built my Prosthetic Arm with LEGO Bricks

Synaptic transmission – video