Toysmith Bubble Motion Tumbler

The Toysmith Bubble Motion Tumbler displays come in a variety of assorted colors. Some colors that may be offered include blue, green, pink, and purple. This is not a toy. Ideal for display or decoration on flat surfaces. High-quality, durable plastic construction contains moving liquids and is built to withstand constant handling and resist cracks. No assembly is required. This soothing visual display requires no power or mechanical parts and can provide hours of entertainment and visual relaxation.

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