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 adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
Defy gravity with this cool balancing eagle!
A massive mounted set of 100 rocks and minerals found in the US,
Perform awesome experiments using everyday materials found in any kitchen!
Comprehensive collection of 30 fossils.