1. DIFFLEY SQUARE SPRING FLING When/Where: 12 p.m. to 6 p.m. Friday; Diffley Square, Eagan Why Go: Free event for the whole family with live music, vendor exhibits, antique car display. and wine tasting.  Give some blood while you are there too! Pricing: Free 2. INTERNATIONAL CHILDREN’S FESTIVAL OF SHOWS When/Where: Saturday and Sunday; Ordway Center for the Performing Arts, St. Pau Why Go: Dance ensembles, music, award winning face and balloon artists, stiltwalking, circus acts and magic all for $5 a person. Pricing: $5  3. INTRODUCTION TO BIRDWATCHING When/Where: 8 a.m. to 10 a.m. Saturday…