Sand Timer, 5 Minutes, Blue 3-d-reading metal and a variety of

metal and a variety of other surfaces

hydrocarbon propellant

The -20 to 20 Student Number Lines are color coded to make it easy for students to recognize odd and even numbers

Scribble Sticks

Sand Timer, 5 Minutes, Blue 3-d-reading metal and a variety ofSand Timers offer a traditional visual demonstration of the passing of time. Easy to understand for young children. Ideal for use in timed games or activities and for timing experiments in math or science projects. The large 6. 30" x 2. 75" sand timer features molded end caps and thick, shatter proof plastic barrier to protect inner glass. For easy identification each timer is color coded.