Overhead Materials

Power Polygons™

This set of 450 transparent, two-dimensional plastic shapes include the six basic pattern shapes (square, equilateral triangle, rhombus, rectangle, isosceles triangle, right triangle) plus nine more related shapes, all identified by letter and color... More.

Copy Machine Transparency Film

Produces overhead transparencies easily on laser printers or office copiers not requiring a sensing stripe. Box of 100 sheets. More.

Right Timer®

A programmable timer that displays a graphic representation of the passing of time on an overhead projector. Timer can be set to a maximum time length of 99 hours, 59 minutes, and 59 seconds. Timer counts backwards or forwards. Programming functions inc... More.

TeachTimer™: The Time Management Tool

This unique timer was specifically designed for the classroom teacher to use in timing tests, math and reading activities, or any other classroom or school activity. When placed on the stage of any standard overhead projector, the TeachTimer™ proj... More.

Clearview Base 10 (ten) Blocks Group Set

Completely redesigned to allow the interlocking cubes, rods, and flats to join in many more configurations. More tactile than previous sets. Individual cubes are more realistically shown on the various pieces. Pieces remain very secure when conne... More.

Da-Lite® Model B Wall Hanging Screen

Rugged, intermediate- to large-size screen that’s ideal for classrooms and meeting rooms. Wall or ceiling mount (hardware for mounting not included). Mechanical, pull-down system locks at any length. Matte white surface. Features Camlo... More.

Multi-Height 4-in-1 AV Cart

Four carts in one! This multipurpose cart adjusts to four different heights: 16", 26", 34", and 42". Ideal for use with projectors. Made of high-density polyethylene that won’t chip, crack, warp, rust, or peel. Top shelf has a ... More.

Nasco’s Overhead Kit

Includes the most popular overhead classroom materials: Base 10 set (20 units, 10 rods, 1 flat), set of 30 attribute blocks, thermometer, set of fraction circles, set of fraction squares, 45 coins, 24 bills, 50 color squares, 1 overhead pointer (10-... More.