Simplify classroom management with this set of 36 Student Grouping Pencils. Durable plastic pencil - shaped organizers contain enough space to write a student's name. Use to group students randomly for cooperative learning or to ensure that you call on every student to participate. Group students by color, number or shape on their pencils. Packaged in a convenient storage jar. Pencils measure 4 1/2"L x 1/2"W.