Rodeo star Spencer Wright's three-year-old son tragically passed away on Sunday ... two weeks after he was left in critical condition following a toy tractor accident.
A friend of the Wright family confirmed the heartbreaking news to People ... saying they had to make the impossible decision to let Levi go.
Wright's wife, Kallie, said on Sunday the family spoke with the top neurologists and came to the conclusion he would not survive the accident .