They are easy to use & you can start doing magical tricks right out of the box. -They come with a complete 9 page fold out of illustrated instructions. Then the "secret" will be revealed -Download the free Bright BugZ APP to see instructional videos for more tricks - If you happen to have a smart phone, you can do the "Light to Phone Trick" and create a cool 3D HoloBeam. Grab the glowing Bright Bugz out of from someone's ear, throw it onto your phone and watch it glow - The non-replaceable batteries will hold power for several days, weeks to months depending on how often you do all the tricks. A great fun gift for everyone!