Children's Summer Workshops For students entering 2nd - 6th grades Wednesdays in June and July 10:30 am - 12 noon $10, $8 for members - Join today! Class fees include entrance to Vulcan Museum and Vulcan Observation Balcony Space is limited; Registration required to info@vulcanpark.org or 933-1409 ext. 26. July 25 - Textures in Clay Discuss the different textures found in nature at Vulcan Park and Museum. Using textures collected, create clay prints; the results will resemble natural fossils. Space is limited; Registration required to info@vulcanpark.org or 933-1409 ext. 26.