Three Bean Salad

My mom has been making this for family picnics ever since I can remember. It's best when left to marinate overnight.

Three Bean Salad

1 can yellow wax beans
1 can cut green beans
1 can dark red kidney beans
1/2 c. chopped celery
1 T. chopped onion
1/4 c. shredded carrot

Drain beans and place all ingredients into bowl.
Mix the following ingredients together together.

1/2 c. salad oil
1/2 c. vinegar
1/2 c. sugar
1 t. salt
1/4 t. celery seed

Pour over beans. Chill overnight. Stir occasionally.