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Happy Water World - Dream Bubble

The exhibits demonstrate the relationship between gas volume and pressure through interactive modeling, as well as…

Happy Water World - Dream Bubble — Children's Discovery exhibit for science museums
Studio rendering
CategoryChildren's Discovery
Standard size2000 x 500 x 2000 mm
SupplySingle unit or batch · OEM to your drawing
Lead timeStandard 4–8 weeks after deposit (confirmed per contract)
Warranty1 year, structure and control
DocumentsSpecification sheet · control diagram · spare-part list

A standard catalogue model: the dimensions, control package and finish are fixed, which is what keeps the price and the lead time predictable. Size, colour and interface language can be adapted without a new design cycle.

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01 / Overview

The exhibits demonstrate the relationship between gas volume and pressure through interactive modeling, as well as intuitively introduce the knowledge of Boyle's law.

02 / How visitors use it

The unit is designed for unsupervised public use: controls are recessed or shielded, moving parts are enclosed, and the interface is operable by a child of about six with no instruction. Where a screen is used, the language can be switched without changing the hardware, and the content can be replaced on site.

03 / The science behind it

The slow rise of bubbles in the three containers of the exhibit is due to the high density and viscosity of the liquid, as well as the strong intermolecular forces, resulting in bubbles with sufficient volume. The resistance experienced by the bubbles during their rise is high, resulting in a slow rise speed. As the bubbles rise, the liquid pressure on them gradually decreases, leading to an increase in their size.

04 / Built for a public floor

Every unit leaves the factory after a running test: mechanisms cycled, electronics burned in, edges dressed, fixings torqued and marked. Wear parts — bearings, sliders, lamps, belts, touch panels — are modular and listed on the spare-part sheet, so a venue technician can replace them without returning the exhibit. Crating is plywood with foam blocking; the loading plan and packing list travel with the shipment.

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