Educational Insights Playfoam Greeting Cards Party Pack (20 Cards, 4 of Each Card) Cards include Thank You Cupcakes and Dinosaurs, Happy Birthday Unicorns and Rockets, and You Are a Star Encouragement cards. Set includes 20 Playfoam Greeting Cards, each with a single pod of Playfoam, and 20 clear envelopes. Playfoam never dries out and won't stick to carpet, car seats, or clothing, so cleanup is a snap! Adds a special surprise to any gift and makes the perfect party favor! Safe and non-toxic.