Grow green sparkling crystals overnight from a safe solution of potassium aluminum sulfate. Extract the largest crystal shard, redissolve the remaining crystals, and repeat the crystal formation process to grow a larger, more striking crystal. The kits includes all the materials and tools you need to grow a single crystal, as well as a small hexagonal storage box in which to keep your crystal safe.
These premium 5mil medical-grade Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
Great exam quality Nitrile gloves in size SMALL.
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
These extra-large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
This set includes three (3) N95 FDA registered and NIOSH approved and respirators.
This is a great clean heat demonstration model for the classroom setting!
View the glory of space with this hi-tech telescope set!
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
Great reference card for chemistry and physics students.
Build a model green house and 9 other green energy-related devices with this great kit!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
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