Easton LaChappelle, 14-year-old Colorado boy, built a robotic hand with LEGOs, fishing wire, and electrical tubing costing just $300; it replaces $80,000 prosthetic arm

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At 14, Colorado teenager Easton LaChappelle built a robotic hand using LEGOs, fishing wire and electrical tubing for about $300. After meeting a girl with an $80,000 prosthetic, he set out to make artificial limbs more affordable. His work later led to Unlimited Tomorrow, which developed the…