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
Epoxy-coated, steel wire test tube rack resists most solvents, weak acids and bases. Withstands temperatures up to 121 degree C. Holds 24 Tubes, size 16mm. 4x6 format
Epoxy-coated, steel wire test tube rack resists most solvents, weak acids and bases. Withstands temperatures up to 121 degree C. Holds 20 Tubes, size 22mm. 4X10 Format