Simple Machines Gear Train TEACHER AIDS UPC: 848850115570

UPC: 848850115570

Reusable super heavyweight pocket lasts a long timeHelps by eliminating the need to copy worksheets over and over againClean easily with soft dry cloth or tissueConvenient eyelet for hanging

This deluxe easel features a magnetic dry-erase board on one side and a green chalkboard on the reverse as well as a top mounted 18" x 100' paper roll

Also includes an activity guide

UPC: 194629050673

Simple Machines Gear Train TEACHER AIDS UPC: 848850115570MPN: 005646 UPC: 895452001442 This device illustrates the workings of a system of gears. When you turn one gear, the meshed teeth cause the other gears to rotate as well. The second gear turns in the opposite direction as the first, and the third gear turns in the same direction as the first. By meshing together a series of gears, you can transmit force from one place to another, as well as change in the direction of applied motion. This classic