Flexi Jellyfish – Modern Rustic. The PlanToys Flexi Jellyfish is designed to fit in a child’s palm. The design inspiration comes from jellyfish and how they effortlessly glide through the water. The fun legs wiggle and splay as they are pinched, pushed, pulled and pressed on. Little ones will enjoy manipulating the legs as they develop bilateral integation and coordinated motor skills. Babies learn by touching things. The Flexi Jellyfish will give them something to clutch and constantly manipulate for enjoyment and learning.