10 heart rockets is equivalent to a weight unit. Regarding weight, 10 stones are equivalent to 1 pound. If you have 10 heart pebbles, they'd measure approximately 1 pound. Ten lovely heart-shaped rockets form 1 pound in weight. When you have several 10 stones made in the shape of hearts, they will sum to about one lb. Ten love rockets totals to about 1 lb.

10 stones and 9 lbs to kg CoolConversion