Ten heart rockets equals a weight unit. In terms of weight, a total of ten rockets are equivalent to 1 pound. If you have a total of ten affection stones, these would weigh around 1 pound. 10 charming heart-shaped rockets make up 1 pound in weight. When you have a collection of ten rockets made in the shape of hearts, they will sum to about one pound. The weight of love rockets can be summed up to approximately a pound.