Hydrofoob Zand Set – 5 Kleuren Met Aquarium

Tuban's Hydrophobic Sand Set is a mind-blowing activity — the special sand repels water, staying dry even when fully submerged. The included aquarium lets children create colourful underwater sculptures.

• 5 colours of hydrophobic (water-repelling) sand
• Includes aquarium container
• Sand stays completely dry underwater
• Safe, non-toxic formula
• Brilliant introduction to surface tension and science

Recommended age: 6+