Glass affair are decorative glass sticks filled with colored liquid. Ideal to put them solo into a vase or to decorate a bouquet and plants. They come in 5 different colors and in 2 sizes and make your choice.

This item will give you a totally amazing optical illusion. When spinning, you will see the ball movement, looks like it goes up and down, but it's not!! The ball never move!! Check this out with your eyes.

This hand made in Germany Solor Radiometer, also known as a light windmill is an instructive physical object for demonstrating a theory which was invented by the English physicist Sir William Crookes in 1873.