Our LED Ghost Bead Bracelet features 7 white ghosts. Blue LED's light up 3 of the ghosts, which light up when the magnetic ends are connected. blue with the built-in LED''s. Wear while trick-or-treating and at Halloween parties. One size fits most. Sold by the individual bracelet. batteries are included and installed. One size fits all and each bracelet has an extendable chain. Please order in increments of 1 bracelet.