This is an Exploring Material Science kit made for Nano Days.
This kit helps teach heat transfer caused by thermal conductivity.
All of the pieces come unused and this kit includes an ice cube tray, a plastic table cloth, a hot and cold bag, a high-density foam block, an aluminum block, a sponge, and a bag of graphite along with paper instructions.
The kit comes in a box that measures 12" long, 9.5" wide, and 4.5" tall.
It is in very good pre-owned, unused condition in its original packaging.