Little revolutions $20.00 Inside Message Blank Inside Packages of Heartstrings® cards are shrink-wrapped and sold in sets of 10 cards with envelopes. The actual card size is 4 1/4" x 5 1/2". Little revolutions quantity Add to cart SKU: 942. Category: Sports. Related Products Across the Miles $20.00 You Have Learned to Make Friends $20.00 It’s More than the shoes $20.00 May the Bumps of Life $20.00