on top. be careful not to smash too much fruit in, as you need to leave room for the liquid to fill spaces between them, and for your stick to fit in the mold. (use your leftover fruit for a beautiful fruit salad). after fruit is placed in molds, carefully pour lemonade (or juice) over the fruit to fill the molds. place sticks in, and put in freezer overnight. carefully pour warm water over molds, and gently pull rainbow pops out. enjoy!
now, i can bag these babies up, put them in the freezer and use my empty molds to make even more pops. makes it very convenient for a busy 