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Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.  

Your Safer Source for Science
All-In-One Science Solution
Your Safer Source for Science
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Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
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Email [email protected]
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Add some sparkle to your next holiday celebration by making ornaments of borax crystals. Simply dissolve sodium borate in hot water, suspend a shaped chenille wire into the solution, and wait. The next day remove a beautiful crystal-covered ornament from the solution!

Concepts

  • Crystallization
  • Solutions
  • Solubility