25" x 25FT- Red Use the 3 to 1 heat shrink tubing to insulate cables and wires, provide a protective barrier, strengthen cable joints and color code wires.
The unique shapes, in 6 stunning translucent colors, are ideal for developing fine motor skills and exploring the construction of 2D nets and 3D models.Building guide included for inspiration. Explore an exciting new method of magnetic construction with HashMag Polydron. Hashmag Class Set These uniquely shaped pieces will help you to create stunning models that catch the light in new ways.