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🌟 Unlock the magic of geometry with every spin!
The Hoberman Original Sphere is a manually operated, plastic kinetic toy that expands from 9 to 30 inches, increasing its volume 30 times. Featuring a vibrant rainbow of primary colors and a unique hinged design, it promotes STEM learning through hands-on exploration of geometry and engineering. Perfect for ages 4+, it includes an educational booklet and activity sheet, doubling as a captivating visual toy and a dynamic kinetic mobile.
| Item Weight | 16 ounces |
| Size | Small |
| Material Type | Plastic |
| Color | Blue, Orange |
| Theme | Science |
| Operation Mode | Manual |
| Educational Objective | Stem |
| Power Source | Manual |
| Number of Players | 1 |
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