3.5 inches tall using worsted and a G hook
2.75 inches tall using worsted and an F hook
2.5 inches tall using DK and an F hook
2.25 inches tall using DK and a D or E hook

Some measurements probably due to variations in stuffing as well.

Six hearts for Emmett and Nora and one to keep next to our kitty memorial.

Strings are for them to hang on their doors or bedposts, or to twirl around their fingers and fling at each other. Whatevs.