What you’ll need:
3 sturdy twigs
String (recommended: natural fiber string such as hemp or twine)
8 rocks (1″-2″ in diameter)
Hot glue gun
White craft glue
How to make it:
Cut 3 pieces of string, 18″ long. Cut 1 piece that is 12″ long. Lay the twigs on the work surface, lining them up next to each other. Tie the 12″ piece of string to the center of whichever twig you want to be at the top of your mobile. This string will be your hanger. Next, tie one of the 18″ pieces to the same twig in the same place you tied the first string. The first string (your hanger) will go in one direction (up) and the other string will go in the other direction (down).
Connect the second twig to the first twig by tying the end of the second string on twig #1 to the center of twig #2. Tie another piece of string to the twig to connect twig #2 to twig #3.
Add some white craft glue to all of the knots and hang somewhere to dry. When dry, trim the tied ends.
While glue is drying on the twigs, heat up the hot glue gun. Cut more string to hang your rocks from. Cut them into varying lengths, some long some short, all should be 12″ or less. Tie a loop into the end of a string and slip a rock inside. Tighten the knot and use hot glue to secure the rock and string together. Tie into a tight knot and glue again. Repeat this for all of the rocks.
Tie each of the rocks onto the twigs, 2 on the top twig (one at each end), 2 on the middle twig, and 4 on the bottom twig. Add some glue to each of the knots and let dry.