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Buoy Ball / Help the blind to pour water

Buoy Ball

When the blind want to pour water into cup how could they know how much have they poured.
Generally,they use their fingers to feel the water,but it not sanitation and convenience.

The "buoy ball" help the blind to make it easy.

The buoy float with the rise of water.
When the buoy hits the thumb it means the water level is right here.

Material and technique:
plastics/water buoyancy

University

The School of Design of Jiangnan University

The School of Design of Jiangnan University
Wuxi, Jiangsu Province, China

Ming Cao

Design

The School of Design of Jiangnan University

The School of Design of Jiangnan University
Wuxi, Jiangsu Province, China

You You