RoboMaster S1 Gel Beads.
The gel bead, mainly containing sodium polyacrylate crosslinking copolymer, is safe and non-toxic. It is recommended to use the gel beads after soaking them in clean water for 3 to 4 hours at normal temperature.
The gel bead, mainly containing sodium polyacrylate crosslinking copolymer, is safe and non-toxic. It is recommended to use the gel beads after soaking them in clean water for 3 to 4 hours at normal temperature.