Members will be on the street starting at 6 p.m. until about 8 p.m.
UNICEF is a service group that provides education, family counseling, job skills, recreation, social services and other assistance for more than half a million children in Uruguay.
All the money raised will go to UNICEF.
“We ask that you be looking for us and that you also make a donation to UNICEF Sunday night,” said Key Club Historian Dakota DelBosque.
“Anything helps,” DelBosque said. “Key Club wishes Beeville a safe and happy Halloween.”