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Hoberman sphere

$49.00

Let yourself play! This interactive glowing sphere expands and contracts is novel ways that allow you to feel the kinetic expansion of mass.

Amazon link: https://amzn.to/3WbXdHP

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Let yourself play! This interactive glowing sphere expands and contracts is novel ways that allow you to feel the kinetic expansion of mass.

Amazon link: https://amzn.to/3WbXdHP

Let yourself play! This interactive glowing sphere expands and contracts is novel ways that allow you to feel the kinetic expansion of mass.

Amazon link: https://amzn.to/3WbXdHP