€ 6.99 · 4.6 (498) · En stock
Glow sticks are incredibly popular for their simplicity yet versatility - but you must treat these "toys" can be dangerous if handled improperly.
Making Our Own Glow Stick
Introduce the chemistry behind polymers. We’ve added a special dye to our best-selling String Slime to make string that glows brightly under black
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