10 affection rockets amounts to a weight unit. In terms of weight, ten pebbles equal one pound. If you have ten heart pebbles, they'd weigh about one pound. A total of ten lovely love-shaped pebbles form 1 lb in weight. If you have multiple 10 pebbles made in the shape of hearts, it will sum to around one lb. The weight of affection stones totals to approximately 1 pound.