Decorate classrooms and enhance learning environments with durable, Gel Stars Terrific Trimmers. Versatile, precut and reusable trimmers frame learning displays on bulletin boards, whiteboards and walls with a scalloped design. These trimmers coordinate with Trend Ready Letters. Trimmers are ideal for pre-kindergarten to ninth-grade (ages 3 to 15).TEPT92322. T92322. Trend Trend Terrific Trimmers.