Glow Party Pack contains a non-toxic, glow-in-the-dark chemical that illuminates once activated. To activate, simply bend the stick until you hear it crack. This will release the chemical from within the glow bracelet and it will immediately start to GLOW! They will last approximately 6 – 8 hours once activated. This pack includes the following: -100 basic connectors (used to make necklaces and bracelets) -5 triple bracelet connectors -1 set of glasses connectors -1 glow disc connector kit (to make one ball or two flowers) Glow Colors (10 of each): Red, Orange, Yellow, Green, Blue, Pink, Red/Blue, Green/Yellow, Blue/Green Dimensions (sticks): Length: 8 in. Width: 0.2 in. Batteries are not required for this product.