Glow in the dark bubbles - open glow sticks & pour them into bubble solution. Link says it's hard to see glowing bubble. but it's worth a shot since they were using a glowing bubble solution not a glow stick.
Whiter Teeth ~Baking Soda and Lemon. This may be one of the most popular of the natural teeth whitening home remedies. The chemical reaction of baking soda with the citrus of lemon juice has a smile-brightening effect. Together they are super-effective.