This set contains 12cm bendablr rods and round discs in 2 size. The bendable rods offers tight and steady connections by twisting and locking with each other. This set encourages imagination and creativity to make limitless large complicated constructions. Build, connect and create with colorful translucent discs and flexible connector strips. Children can explore flat patterns and three-dimensional structures while developing fine motor skills, spatial awareness, problem-solving and imaginative thinking. The transparent pieces glow beautifully on a light table, making them ideal for classroom construction activities, sensory play and open-ended discovery.