It's hard to tell, but the clouds are two different sizes. The larger cloud is from the new Showering You With Love Sweet Cuts, but the small cloud is actually the top of a cupcake from the Sending Sweet Thoughts Sweet Cuts!! It looks like a cloud!!
The final Paper Sweeties products are the sign and sentiment. Both come from the Wagon Add-On Bloom and Grow set.
So there you have it - one card using three different sets. Want to see other sets that work together? Check out the other design team's creations!