For those who need more than the six that come with the effect. Here they are by the dozen. You get six each Five of Diamonds and Seven of Hearts.
1.5 inch Super Soft Sponge Balls (Yellow) Bag of 50 from Magic By Gosh
1.5 inch Super Soft Sponge Balls (Red) Pack of 4 from Magic by Gosh
1.5 inch Super Soft Sponge Balls (Red) Bag of 50 from Magic by Gosh
1.5 inch Super Soft Sponge Balls (Orange) Pack of 4 from Magic by Gosh