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.
Build a hand that realistically moves its fingers using shape memory allow technology!
See the solar system in action!
Build your very own smart robot!
Learn about detective science through this fun fingerprinting kit!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Easily assemble a working alarm motion detector!