I had bought the glow sticks for a meeting with friends over 20 children.
And the glow sticks were all the rage with the kids.
Each wanted to have at least 2 per night to build a wide variety of combinations. (Chains, balls, flowers, ...)
I counted 6 colors: yellow, green, red, orange, pink, blue (but maybe a lilac was still in the process).
Most of all I was impressed by the brightness of the rods, which has been the best compared to other glowstick.
From 21:00 - till 5: 00h in the morning no luminance loss was recognized.
Even the next night was still visible in the dark the lights.
I only had 3 "dud", which is to get over 100 pieces.
Can only recommend the Starlights.