Sun, Earth, Moon Orbital Model, Multiple moving axis to demonstrate daylight, night, seasons and phases of moon, Requires two AA batteries, Light bulb inside sun to demonstrate sun light on moon & earth, Base has the months of the year along with the season
Forensics of soil and mineral analysis, This kit has been designed to introduce students to the field of forensic soil analysis by providing them with a set of soil and glass samples that have been recovered from a crime scene to compare