A total of ten affection pebbles amounts to a lb.
When it comes to weight, ten stones are equivalent to 1 pound.
If you have 10 heart pebbles, these would measure approximately one lb.
Ten lovely love-shaped pebbles form 1 pound in weight.
If you have multiple 10 pebbles made in the shape of hearts, it will amount to about 1 lb.
10 love pebbles can be summed up to around a lb.