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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Thames & Kosmos 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+

Thames & Kosmos 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 lab-grade chemicals

R2692

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Description

⚗️ Ignite curiosity, master real chemistry, and never miss the science wave!

AUTHENTIC LAB EXPERIENCE - Includes professional-quality glassware and 7 genuine chemicals for true-to-life reactions.
FUTURE PROOF CHEMISTRY KIT - Designed for ages 10+ with adult supervision, the perfect foundation for advanced kits in the series.
AWARD WINNING STEM EXCELLENCE - Parents' Choice Gold Award winner, trusted for safe, educational fun.
VIVID LEARNING WITH EVERY PAGE - 80-page full-color manual with step-by-step, visually rich instructions for maximum engagement.
LAUNCH YOUR YOUNG SCIENTISTS JOURNEY - 125 diverse experiments that build real lab skills, not just kitchen tricks.

Chem C1000 (V 2.0) is a premium beginner chemistry set featuring 125 hands-on experiments across 10 themed chapters, guided by an 80-page full-color manual. It includes professional-grade glass lab equipment and 7 real chemicals, enabling authentic scientific exploration for kids aged 10 and up. This Parents' Choice Gold Award-winning STEM kit is designed and manufactured in Germany to rigorous safety standards, making it the ideal launchpad for young chemists ready to graduate from kitchen science to real lab techniques.

Specifications

ASIN	B004UU3RC4
Age Range Description	10+
Battery Description	Alkaline
Best Sellers Rank	#125,450 in Toys & Games ( See Top 100 in Toys & Games ) #1,149 in Educational Science Kits
Brand Name	Thames & Kosmos
Customer Reviews	4.4 4.4 out of 5 stars (637)
Educational Objective	STEM
Global Trade Identification Number	00814743010246
Included Components	safety glasses, test tubes, copper wire, various safe chemicals, instruction manual
Is Assembly Required	No
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)	240.0
Manufacturer Minimum Age (MONTHS)	120.0
Manufacturer Part Number	640118
Manufacturer Warranty Description	30 day warranty against manufacturer defects
Material Type	Plastic
Model Number	640118
Set Name	Chem C1000
Size	Medium
Theme	Chemestry
UPC	814743010246 857853001087 885326083230
Unit Count	1.0 Count

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