Drop by drop
... the blue liquid sinks through the tapered tube to the bottom. At the same time, some transparent liquid rises to the top. A calming activity that trains observation and at the same time illustrates that liquids containing water and oil do not mix and have physically different densities. Colour according to stock.
Material: synthetic material, water, oil
Measures: Ø 5 x 17.5 cm
3 years and up
