Peloton is sending a warning out to owners of its Tread+ treadmills, saying children should be kept away from the machines. It comes after a child died in an accident involving a Tread+. AdHe said Peloton is “aware of only a small handful of incidents involving the Tread+ where children have been hurt.”The exercise equipment company said in a statement it is shocked and saddened by the incident. In general, exercise equipment can be particularly dangerous for children. A 2014 U.S. National Institutes of Health study found that 25,000 kids under the age of 10 are injured by exercise equipment each year.