The wheels on the bus won't go 'round and 'round in many playrooms this year if the Consumer Product Safety Commission has its way. On Wednesday, the Commission voted against a petition to exempt small pieces of brass used in the wheels on toy cars, tractors and buses from draconian lead standards. The fiasco is one more sign that Congress must address the chaos created by its 2008 law regulating lead in toys.

Lead is a typical component of brass but poses minuscule risk to children through toys. As the CPSC's own staff remarked,...