The local business community’s annual Holiday Stroll and Blue Tree Lighting will be held on Saturday. There will be activities, music, and entertainment downtown from noon until the tree-lighting ceremony at 5:25 p.m. on the town common with the Highland Glee Club. Santa will ride into town on a firetruck to join the celebration. Victorian carolers will be singing from 2 to 4 p.m. There will be a jazz combo and other musicians, promotions and a broadcast from the radio station WODS from 3 to 5 p.m., and participating merchants will be offering special holiday treats. Bring toys for the Toys for Tots drive, organized by local firefighters; a collection box will be set up near the Town Hall steps. The festivities are sponsored by the Needham Business Association in conjunction with the Needham Merchants Association and the Needham Restaurant Association.