You will receive 1 of each pictured.

The plastic wrap around the boxes may be missing, but they are brand new inside.

Tin dendrite: a metal tree grows before your eyes!

This chemistry set contains:

• Sodium hydrogen sulfate ×2

• Tin (Il) chloride x2

• Petri dish

• Battery holder

• Experiment card

• Graphite electrode ×4

• Instructions

• Nitrile gloves

• Pin opener

• Safety glasses

• Safety underlay

Magic Paper: write, conceal and reveal!

This chemistry set contains:

Copper (II) sulfate

• Potassium hexacyanoferrate (III)

• Potassium iodide

• Sodium thiosulfate

• Safety underlay

• Beige paper ×2

• Large cotton cylinder x6

• Small cotton cytinder ×3

• Experiment card

• Nitrile gloves

• Pin opener ×2

Chemical reefs: create a reef in your Petri dish!

This chemistry set contains:

Ammonium iron(III) sulfate

•Copper(Il) sulfate

• Potassium hexacyanoferrate(lI)

•Sodium carbonate

•Petri dish ×2

•Safety underlay

• Cotton swab ×10

•Disposable cu

• Experiment card

• Filter paper x2

• Nitrile gloves

• Smartphone stand

• Syringe without needle

• Wooden stick x2