Order early for pre-holiday delivery. Flinn (or Educational Innovations) 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.
DC10235
Price: FREE
Explain this interesting phenomenon! Two beakers of clear, colorless liquids are displayed. An ice cube floats on top of the liquid in one beaker. An ice cube sits on the bottom of the other beaker. Why? Let’s solve the “Case of the Sunken Ice Cube.”