Hall's Car - for Physics Demonstrations - 5.5"L x 2.3"W x 1.4"H - Eisco Labs music_update_2021 The adatper for Gopro made

The adatper for Gopro made of high quality Aluminum with a 1/4-20 Threaded End

giving you the mellow tone that makes our whistles so popular all over the world

which is durable and reliable

Compact Design Great for travelers or users with limited space

Hall's Car - for Physics Demonstrations - 5.5"L x 2.3"W x 1.4"H - Eisco Labs music_update_2021 The adatper for Gopro madeHall's Car for Physics Demonstrations 5. 5"L x 2. 3"W x 1. 4"H Eisco Labs The Hall's Car can be used with an inclined plane, weights, and pulleys (all not included) to study relationship between energy and work. It features a molded one piece body with a central well to hold additional masses. The molded wheels have sleeve bearings for absorbing friction and reducing vibration. A removable metal thumscrew at one end can be used to secure a string,