ActivePeople The GOING Swing Magic Motion Light Ball (Colors May Vary) GOING Swing Magic light balls change color with a squeeze of the hand Swing it, or wear it like a necklace! Fun and safe for wearing on Halloween! Perfect for dazzling juggling shows, magic games or just as cool tactile mood lights Includes Detachable Lanyard (39cm)- Colors may vary (Yellow, Blue, Red) Batteries Included. 3 x 1.5V (AG10)