Hold onto your hats and watch the Hoberman Original Sphere - Rainbow blossom before your very eyes, a joyous and mind-bending toy that morphs from a cozy 9.5 inches to a colossal 30 inches in diameter. This visually striking sphere is perfect for single-player fun and is designed to captivate children aged 4 and up. The lightweight design and vibrant colors make it an engaging choice for both play and learning.

The Hoberman Original Sphere - Rainbow features:
- Expands dramatically from 9.5" to 30" in diameter
- Includes a pulley and hardware for easy hanging as a kinetic mobile
- Comes with an educational booklet and a '21 Cool Things To Do' activity sheet
- Crafted from durable polymer that allows significant volume changes
- Easy to clean with a dry or damp cloth
- Warning: Contains small parts, not suitable for children under 3 years due to choking hazard