Each week throughout the summer, participating sellers will put two of their amazing resources on sale and all you have to do is visit Chalk One Up for the Teacher, check them out, and grab some great deals. You can also find the products directly on Teachers Pay Teachers by searching #2forTuesday.
The following two items are 50% off for one day only.
#1 - Apple Mummification Science Experiment :: on-sale for $1.75
#2 - Rock Labs: A Hands-On Science Investigation :: on-sale for $1.87