The “Adopt a Float” day on 22 June 2023 at the Institut de la mer in Villefranche-sur-Mer (Sorbonne University/CNRS) was attended by a host of VIPs. Six classes, around 150 pupils, from Joseph Caldéroni primary school in Villefranche-sur-Mer have adopted “Bob-the-float” over the course of the school year. Supervised by scientific mediators and their teachers, they followed his scientific journey.