Cut marshmallow bar in half horizontally. Round corners and trim each into flip flop shape. Immediately press candy sprinkles onto cut sides of each flip flop.
Unroll Fruit Roll-Ups fruit flavored snack; remove paper. With kitchen scissors, cut 2 strips, 4x3/4 inch each, from fruit flavored snack roll. Fold each strip in half, forming V shape. Press on bars to make flip flop straps. Place Fruit Gushers fruit flavored snack at tip of each V shape.