Catalogue
Sewage and water treatment - middle school
Water recovery and purification
Educational materials
Student brochure
Middle school
$1.00
Sewage and water treatment
Water recovery and purification
Educational materials
Student brochure
Elementary school grades 1-2, Elementary school grades 3-4-5
$1.00
Wasted drops of water
Water, blue gold
Storytelling
Story sheet
Preschool, Elementary school grades 1-2
$2.00
The natural water cycle
Water cycle and conscious use of water
Educational materials
Student brochure
Elementary school grades 1-2, Elementary school grades 3-4-5
$1.00
Plastic free: a world without plastic is possible!
Plastic Free
Educational materials
Student brochure
Middle school
$4.00
