About This

“Traffic Light” chemistry demo kit for study of oscillating reactions
Activity for observing yellow solution turning red when flask is swirled, and turning green when flask is shaken for demonstration purposes (flask sold separately)
Instructions and material safety data sheet (MSDS) packet for product information and handling procedures
Suitable for age 13 and older with adult supervision
Subject to Department of Transportation (DOT) shipping restrictions

Frequently Asked Questions

Everything you need to know about our educational toys and STEM products

How long does shipping take?

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

Is free shipping available?

We do not currently offer free shipping. However, this may be added at some point. We apologize.

How can I get a tracking number for my order?

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

How do I process a return or exchange?

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.