Description
Naef Op-Tric-Set of 5
Colors can be seen when the black-and-white tops spin.
The eye sees, the mind thinks and black and white is not always black and white… Rotate the tops and observe it carefully. Moments later, one perceives soft pastel shades of colors and the black-and-white world is suddenly more fascinating.
Features
- Age (s) 6 +
- Designer Heiko Hillig
Sizes
9.5 x 2.5 x 2 inches / 24.13 x 6.35 x 5.08 cm – 5 wooden spinning tops on a black board (each top 1.5 inches in Diameter)
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