Beautifully un-intuitive design inspires hours of tactile discovery with SpiroKu.
Unique stacking cylinders that stretch into a tall tower
Encourages fine motor skills, spatial reasoning, experimentation, creativity
Stack and arrange cylinders creatively
Vibrant colors fascinate the eyes, unique contours inspire imagination
Nest them together, pull on the smallest - Stretches into a tower!
Includes 9 cylinders sized big to small
22 inches tall when stretched into a tower
Largest cylinder measures roughly 4 inches in diameter
High-quality ABS plastic - BPA-free