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John Hansen Company

Original Hoberman Sphere-Rainbow

Original Hoberman Sphere-Rainbow

Regular price $41.99 USD
Regular price Sale price $41.99 USD
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The Hoberman Sphere is the original award winning geometric expanding contracting ball. Made of linked plastic struts each one is a marvel of mechanical engineering. Pull on any of the sphere’s hubs and watch as it expands dramatically from 9.5” to 30”!


  • Includes a pulley, hardware and instructions to hang as a kinetic mobile
  • Also includes an educational booklet that has 21 activities
  • Made of colorful plastic
  • Dimensions: 9.5” closed, 30” open
  • Ages 4+
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