does it contain bromothymol blue?

Highly doubtful. There's a very, very limited number of chemicals in this set, and it looks like they are using litmus solution and litmus powder for pH experiments (looking at the picture under zoom). Their website doesn't list the contents exactly for this version, but does for the 2010 edition. Bromothymol blue was not in the 2010 kit and I doubt they added it to this one. (even the 2010 C3000 did not have bromothymol blue in it).

what is the list of materials not supplied?

Got this as a gift for my grandson and it basically only includes the mixing containers and the book with all the recipes to make things. Most of the items you need to make them are normally in your cubboard or refrigerator.

I bought this in the U.S. recently as a present for someone out of the country, can i check it in my flight when i fly next week?

In your checked luggage should be no problem. It doesn't contain flammable chemicals. The greater risk is test-tube breakage due to bag handlers.

Does this kit come with all of the equipment? And, is the equipment durable?

I bought this kit as a Christmas gift for my son and it comes with a book of different experiments you can perform. It does come with about 80% of the needed ingredients and items for most of the experiments, so there are a few things you'll have to acquire on your own. As for durability, I wouldn't rate it very high. His safety goggles broke after the second use(safety goggles are a MUST because almost all of the chemicals can cause severe irritation to the eyes skin and other unpleasant things)and the bottles and beakers crack very easily. All in all, my son loves it though so I consider it a good buy. Hope this helps!

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Chem C1000 (V 2.0) Beginner Chemistry Set | 125 Experiments, 80-Page Full-Color Lab Manual, Real Lab Equipment & 7 Chemicals | Parents' Choice Gold Award | STEM Science Kit Ages 10+

Product ID: 1486599

📘80-page full-color manual

🧪125 hands-on experiments

⚗️7 real chemicals + pro lab gear

¥27602

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Description

⚗️ Ignite curiosity, spark discovery, and own the science lab at home!

REAL LAB REAL REACTIONS - Includes genuine glassware, electrolysis tools, and 7 authentic chemicals.
LAUNCH YOUR YOUNG SCIENTIST - 125 immersive experiments that turn curiosity into real lab skills.
AWARD WINNING STEM EXCELLENCE - Parents' Choice Gold Award winner recognized for quality and educational value.
FUTURE PROOF LEARNING JOURNEY - A perfect foundation kit that grows with your child’s scientific ambitions.
MASTER CHEMISTRY WITH CONFIDENCE - Step-by-step, visually rich manual designed for ages 10+ with safety first.

Thames & Kosmos Chem C1000 (V 2.0) is a premium beginner chemistry set featuring 125 hands-on experiments guided by an 80-page full-color manual. Designed for kids 10+ with adult supervision, it includes professional-quality glass lab equipment and 7 real chemicals to perform authentic scientific reactions. This Parents' Choice Gold Award-winning STEM kit introduces foundational chemistry concepts through safe, engaging, and visually rich experiments, making it the ultimate launchpad for young scientists ready to move beyond kitchen chemistry.

Specifications

ASIN	B004UU3RC4
Age Range Description	10+
Battery Description	Alkaline
Best Sellers Rank	#118,239 in Toys & Games ( See Top 100 in Toys & Games ) #1,185 in Educational Science Kits
Brand Name	Thames & Kosmos
Customer Reviews	4.4 4.4 out of 5 stars (640)
Educational Objective	STEM
Global Trade Identification Number	00814743010246
Included Components	safety glasses, test tubes, copper wire, various safe chemicals, instruction manual
Item Dimensions	14.6 x 3.1 x 11.5 inches
Item Type Name	Science Kit
Item Weight	1.7 pounds
Language	English
Manufacturer Maximum Age (MONTHS)	240
Manufacturer Minimum Age (MONTHS)	120
Manufacturer Part Number	640118
Manufacturer Warranty Description	30 day warranty against manufacturer defects
Material Type	Plastic
Model Number	640118
Number of Items	1
Set Name	Chem C1000
Size	Medium
Theme	Chemestry
UPC	814743010246 857853001087 885326083230
Unit Count	1 Count

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