Beads that can refract light
1 suction cup with hook
Cut 1-3 strands of cord, about a foot long each.
Tie a knot at the end of each string.
Place the beads on the string, alternating size, color, or type.
Tie the top of all of the strands together and tie them to the hook on the suction cup.
Secure to the inside of a window that receives a lot of sunlight. Once secure, wait for the beads to catch the sun rays and enjoy!