Turn it upside down and watch in amazement ... as the pink, jelly-like liquid slides slowly through the hole into the second half of the cylinder before it covers the bottom in spirals. In this way visible gravity can fill kids with enthusiasm. Within about 7 minutes the fascinating and soothing spectacle is over. Owing to the exchange a bubble will rise up in the upper hollow body now and then.
Material: synthetic material, water, oil Measurements: Ø 5.3 cm x 12 cm Age restriction:3 years
