Natural cork with hole for test tube. The perfect complement to the water workshop – or individually for little experiments where a perforated stopper is needed.
At a glance
- Natural cork: sustainable material
- With hole: for straws or glass tubes
- Diameter 2.0 to 1.5 cm: conical shape
- 2.5 cm tall: sits firmly in the test tube
- Complement to Water Workshop 120036: compatible replacement part
How children play with it
Press the cork into the test tube, a light pressure is enough – it sits firmly. A straw is pushed through the hole, a drop of water sucked up. The cork material has a slight natural scent, the little ripples are felt under the fingers. When the stopper is pulled out again, it leaves a slight impression in the glass. Exploration is reduced to the smallest details.
Safety and materials
| Material | Cork |
|---|---|
| Diameter | 2.0 to 1.5 cm |
| Height | 2.5 cm |
| Use | Test tube with hole |
Dispatched from Germany. Invoice payment available for public authorities and institutions.
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