The Toysmith Bubble motion tumbler presents the phenomena of liquid dynamics
in a fun and soothing display. Flip this bubbler like an hourglass to watch
the liquid elements inside squeeze, slip and float serenely to the bottom.
This soothing visual display requires no power or mechanical parts, and can
provide hours of entertainment. Durable construction withstands constant
handling and resists cracks. The 3-1/4"X1-1/4"x6-1/8" Bubblers is ideal for
display on a desk or shelf. No assembly required. Comes in various colors.
This is not a toy.

• Water Marbles 2 Color Liquid Motion Timer is a great visualization aid to show how water and oil don't mix. It's full of zigzagging
• Liquid motion fun. Turn this desk toy over and watch the 2 colored liquid drops make their way down the zig zag steps all the way to the bottom
• Assorted Colors
• This is not a toy