4.75" St. Louis Motor Demonstration Apparatus Subcategory_Color and Light sized to give student bench

sized to give student bench setups a direct numeric reading without analog parallax

providing lightweight projectiles for collision-and-ramp experiments where steel or glass would carry too much momentum or break on impact

Integrated tongue and dentition at 2x life size supports combined teaching of oral cavity anatomy

supplied with keepers in a cardboard storage box for routine classroom work on field lines

Note: This item requires

4.75" St. Louis Motor Demonstration Apparatus Subcategory_Color and Light sized to give student benchExposes every moving part of a two pole armature rotating between permanent magnets on an open 4 inch plastic base, running on 3 6V DC to illustrate both motor and generator operation.