Constructing a wetland model

Fantastic.. visit the site http://www.play-with-water.ch, build up your own domestic wetland and play with it.From the "play-with-water" web site I report this summary that allow you to build up a teaching wetland:

Time requirement

• Preparation time: 2-3 hours (incl. shopping)
• Teaching time: 1.5 hours

Material requirement

• 1 transparent plastic box 35*23*31cm
• 15 kg of gravel 4-16mm
• 25 litre of expanded clay (LECA) 1-4 mm
• 2 plastic buckets (10 litres)
• 25 cm transparent plastic hoses, diameter 20 mm
• 1 plastic water tap (with screw and nut)
• 1 measure cup 1 litre
• 1 measuring tape (tailor)
• 1 roll adhesive tape
• plants: e.g. indoor plants,
  Umbrella Papyrus (Cyperus alternifolius), rush (Juncus spec.)
• additional equipment (scissors, pen, sponge, towel, paper, etc.)