A set of 10 pH Buffer Powder packets. Includes 5 pH 4.00 packets and 5 pH 6.86 packets. These are used to calibrate pH meters, and can also be used to monitor pH levels in aquariums or swimming pools.
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
This kit will get your paper plane ready for takeoff!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Have fun building your very own FM radio!
Every kid needs one of these spheres!
This project book and sample kit introduces you to shape-memory alloy technology!