To activate your Spiral Glowstick Necklaces, crack each stick, shake ’em up, and connect the ends with plastic pieces provided. NOTE: Price is per 1 necklace + comes in tubes of 25 pieces, so you may order 25, or 50, or 75 & so on. Glow color: Green Spiral colors on plastic shell: Orange and Red Length: 22 in. Spiral Glowstick Necklaces do not require batteries. Just crack, shake & wear!