Vinegar taffy

Iam so making this with my son tomorrow kids love to cook what a fun way to do this let them butter there hands and go at it just make sure its not so hot it burns them

2 cups white  sugar
1/2 cup vinegar
2 tbls butter
1/8 tsp cream of tarter
1 pinch of salt

in large saucepan over medium heat combine sugar vinegar butter cream of tarter and salt. heat without stirring to 250 to 265 degrees f or until a small amount of syrup droped into cold water forms a rigid ball. remove from heat and let rest until cool enough to handle pull taffy by stretching with hands folding the candy over until the candy is white and porous. cut into 1 inch pieces