These are the tools I used. I bought them at a local beauty supply for less than $4, I believe the brand is Debra Lynn. I've also seen them for sale online for about the same price.
And finally, here are the colors I used. Far left is my base, the rest for dots.
(left to right)
Revlon Charming, Sinful Colors Purple Diamond, China Glaze Coconut Kiss,
Zoya Suri, Sinful Colors Let's Talk