HARPER COLLINS PUBLISHERS Light In The Attic HC-0060256737

Covers the features of gears, gear trains, gearing up, gearing down, compound gearing, rack and pinion systems and gear driven ...

Learn all about United States currency as you combine multiple game and puzzle elements together to create a great educational ...

The 4" clear plastic protractor is ideal for all young mathematicians. Protractor features an open center and sunburst at the ...

Gear sets offer 40-, 30- and 20-tooth gears with 3/16'' bore to accommodate the most popular dowel size, and a ...

Cute, colorful, shiny incentive stickers! Can be used on any student incentive chart, or incentive chart pads! Acid-free! 936 stickers, ...

A whole year of ideas and activities at your fingertips! They're all here in The MAILBOX Yearbook! We've collected hundreds ...

The first retractable dry-erase marker from EXPO ?! Eliminates all the inconveniences that come with caps - ; the constant ...

Precut trimmers make it easy to create eye-catching displays of student work, frame bulletin board sets, and create craft projects ...