Error Assist Arrow$2.00 Acetate see-through arrow. The arrow allows the teacher to draw attention to mouth movements when additional sensory information is required to help students learn to segment or to blend. Quantity Error Assist Arrow quantity Add to cart SKU: Item #43 Category: Manuals & Booklets Related products Read more Second Grade Small Group Folder- No longer available. Add to cart First Grade Set of Reproducibles 2022 $12.00 Add to cart Plus Kit $465.00 Add to cart First Grade Kit $390.00