- Children of Cremetterie nursery school (saint Herblain) and their teacher with La Main à la Pâte (Hands on),
- L’Ecole des Mines de Nantes involved in its functioning who assisted in doing the experiments at Cremetterie school.
- 400 paper stickers, elementary school pupils for the most part sent by SEQUOIA , pole sciences and environment of Nantes city. Mrs Epaillard from School of Printing Trades of Nantes.
- Members of « la Rabotière » and « la Chicotière » leaded by Ghislaine and Morgane, their specialized educators.
- Young people making community service hours or National Voluntary Service ; pupils of « the second chance school » and of course the members of our association.