Two separate sessions of a one-hour class about installing and operating household rain barrels will be held on Wednesday and Thursday, May 15 and 16, beginning at 7:00 PM in Council Chambers at the Cranberry Township Municipal Center. The classes, which carry a registration fee of $30, include a rain barrel which each participant is invited to take home and install. The selling price for a rain barrel is normally around $130. Registration is limited to residents of Cranberry and Seven Fields and is limited to 25 participants per class session. To register, call 724-776-4806 or visit the Township Customer Service Desk during normal business hours. Advance payment by cash or check is due at the time of registration.