A sparkler is a type of hand-held firework that burns slowly while emitting bright, colored sparks. It burns at a high temperature (over 1000 °C), so it can be very dangerous.
He [David Packard] died on March 26, 1996, at age 83 in Stanford, California, leaving approximately $4 billion (the bulk of his estate) to the David and Lucile Packard Foundation, including large amounts of valuable real property in Los Altos Hills.