Seed set, irradiated radish

This Rapitest mini 4-way soil analyzer provides an accurate analysis of soil pH, moisture content, fertilizer content, and sunlight. Use it to boost your garden’s productivity or for soil science experiments.

Radish seeds are small and very fast germinating.

These aluminum weighing boats or weighing dishes have multiple lab uses.

Petri dishes are essential for growing bacteria.

This sterile liquid nutrient 125 ml agar comes ready to use & with enough agar to cover about ten 100 mm petri dishes. Pour it into a petri dish, swab any surface, and watch bacteria grow in a safe, memorable, and hands-on way!

Use these pH paper test strips to easily measure pH levels of solutions. Comes with color guide.

Learn how to differentiate bacteria using the Gram staining method. Identify Gram-positive bacteria & Gram-negative bacteria with this hands-on, top-rated Gram stain kit!

Start your own living culture of mixed protozoans and algae in 3 days.

Improve your garden or study the effects of soil nutrients on plant growth.

This unique Glo Germ Gel kit is a memorable way to see how germs spread and how good hand washing is essential. Comes with a black light.