Simple text describes street cleaning machines, what they do and how they work.

Eraser is always cleaning up everyone else's mistakes. Except for Ruler and Pencil Sharpener, none of the other school supplies seem to appreciate her.

When a little red pen accidentally falls into the waste basket while trying to correct papers all by herself, the other classroom supplies must cooperate to rescue her.

"Discusses simple physics, including levers, and forces, including gravity and centrifugal force, that are present when playing on a playground. Includes science experiments that demonstrate forces"--

"Dad's office is off-limits--which only makes it more intriguing to his curious young daughter. As soon as she sees an opening, she sneaks in to have a look around. After all, there's no harm in just looking, right? What she discovers is a magical wonderland of sticky tape, paper clips that make glorious strands, and a kaleidoscopic array of sticky notes. Who could possibly resist playing with those? In a joyful ode to office supplies, Helen Yoon...