Junior Achievement of Southwest Florida is inviting all bowling enthusiasts and beginners to its eighth annual Bowl-A-Thon fundraiser from 6 to 8:30 p.m. on Wednesday, Aug. 21 at HeadPinz Entertainment Center, 14513 Global Parkway in Fort Myers. Bowl-A-Thon is led by event chair, Cia Sherman of Parr Moto.   The annual social event creates an opportunity for colleagues, friends, neighbors and families to spend an evening together at the bowling alley while raising funds for Junior Achievement’s vast offering of business-oriented programs for local students.