To improve your freindship bonds – Gift them fiber optic wands. Liven up your seminars with flashing wands of stripes and stars. Lots of these you should be stashing. Hit the switch to start it flashing. Height: Approx. 14.5 in. , 11.96 cm. Width: 2.5 in. , 6.35 cm. LED Colors: 1 Blue, 1 Jade, 1 Red Batteries: Includes 3 AG13 Batteries. Batteries for this item are replaceable.