Event Registration Glassblowing Demos! Description: Join us in our hotshop at 957C Gladstone Ave. for an evening of free glassblowing demonstrations! 5pm - 8pm Everyone is welcome! No need to register online, just come by! This is a recurring event on the third Thursday of every month. We are sorry but registration for this event is now closed. Please contact us if you would like to know if spaces are still available.