Hourglass TFA Dostmann 18.6004.05 acrylic clear, red, black mechanical

Hourglass - mechanical principle without power, plexiglass body, fascinating effect of beads flowing upwards thanks to the magnetic principle, hourglass time 9 minutes, dimensions 65 × 117 × 24 mm, weight 83 g, decorative and functional use on a table or shelf, requires no batteries or external power