1 1

Hoberman Mini Sphere - Firefly Glow

Hoberman Mini Sphere - Firefly Glow

    The glowing center expands in the dark, creating a mesmerizing night light.

    Expands from 9.5 to 30" even at night!

    Hang it from the ceiling and using the pulley, create an expanding mobile you can open and close.

    Ages 4 and up.


      $19.50
      $19.50
      Sale Sold out
      Shipping calculated at checkout.
      Matter Subscriber Price:

      View full details

      Shop collections containing this item:
      Classic Science Toys In Stock Items ≤ $20 Kids' Stuff Newest Listings Physics Stemcell Catalog Storewide

      more information

      Further Reading:

      AUTHENTICITY GUARANTEED

      We only list 100% verified authentic items. We work with reputable collectors, and regularly consult with our network of scientists and experts.

      • Free Shipping

        Orders ≥$50 qualify for free US shipping
        Orders ≥$100 qualify for free global shipping

      • Secure Payments

        Pay how you like: credit card, PayPal, After Pay, Shop Pay, Venmo, Apple/Google/Meta Pay & crypto

      • Simple Returns

        Change your mind? No problem. Enjoy easy returns within 30 days.

      Customer Reviews

      Be the first to write a review
      0%
      (0)
      0%
      (0)
      0%
      (0)
      0%
      (0)
      0%
      (0)

      WE TAKE SCIENCE SERIOUSLY

      You deserve better than craft store science products. And we think learning is more impactful when you're holding a tangible piece of what you're learning about. That's why Stemcell exists.

      We're dedicated to providing the best scientific products available—whether they're fragments of scientific importance, experimental activities, or just interesting things that scratch your curiosity itch.

      With every new product launch, our list of new ideas gets longer rather than shorter. So check in often for our latest projects, and thanks for being a part of our endeavor to make the world a smarter place to live.

      Believe in yourself; for everything else, there's science.

      — TERRY MUDGE, FOUNDER & SCIENTIFIC DIRECTOR