These bottle dancers also known as water dancers or bottle devils exist since 1640 invented by Renatus Cartesius. The little figurines spin, dance and move up and down in a bottle depending on the pressure exerted on te water.

These bottle dancers also known as water dancers or bottle devils exist since 1640 invented by Renatus Cartesius. The little figurines spin, dance and move up and down in a bottle depending on the pressure exerted on te water.

These bottle dancers also known as water dancers or bottle devils exist since 1640 invented by Renatus Cartesius. The little figurines spin, dance and move up and down in a bottle depending on the pressure exerted on te water.

These bottle dancers also known as water dancers or bottle devils exist since 1640 invented by Renatus Cartesius. The little figurines spin, dance and move up and down in a bottle depending on the pressure exerted on te water.

These bottle dancers also known as water dancers or bottle devils exist since 1640 invented by Renatus Cartesius. The little figurines spin, dance and move up and down in a bottle depending on the pressure exerted on te water.

These bottle dancers also known as water dancers or bottle devils exist since 1640 invented by Renatus Cartesius. The little figurines spin, dance and move up and down in a bottle depending on the pressure exerted on the water.

A kaleidoscope in traditional brass optic, with 2 wheels to change the view, a wooden stand is included. Size: 225x70 mm

This is a so called perpetuum mobile which means as much as continuously moving.

This is a so called perpetuum mobile which means as much as continuously moving.

This is a so called perpetuum mobile which means as much as continuously moving.

This is a so called perpetuum mobile which means as much as continuously moving.

This barometer is the ultimate Love Tester. Just wrap (don't press) your a hand around the bulb at the bottom an if you have a good attitude to love the heart will fill completely or only partially. To reset the barometer just wrap your hand around the heart.

Including wooden stand
Height: aprox. 19 cm with stand / 17 cm without stand