Client
Project Overview
Megaflatables supplied a bespoke 5-metre helium chrome sphere for the Blenheim Ball at Blenheim Palace on 24 April 2026. The charity event supported Starlight and brought guests together for an evening of fundraising and entertainment.
Floating above the dining space, the reflective inflatable sphere used the venue’s overhead volume to create an eye-catching centrepiece without reducing floor space.
The brief was to deliver a striking helium inflatable centrepiece that complemented the scale and grandeur of Blenheim Palace. The installation needed to create strong visual impact while fitting around the venue’s architecture, dining layout and guest experience.
At five metres in diameter and weighing 75kg, the chrome sphere required careful handling, secure tethering and controlled positioning inside the venue.
Megaflatables supplied the bespoke chrome sphere, while our specialist event team managed its helium inflation, controlled lift and positioning inside Blenheim Palace.
Working around the venue and event schedule, the team handled the 75kg inflatable carefully, secured the tethers and monitored the sphere to keep it stable and presentation-ready throughout the Blenheim Ball.
Supplied a bespoke five-metre reflective chrome sphere tailored to the venue and event brief.
Our specialist event team managed the helium inflation and controlled lift inside Blenheim Palace.
The 75kg sphere was carefully handled, tethered and positioned around the venue’s architectural features and dining layout.
Professional oversight kept the installation stable, secure and presentation-ready throughout the event.
The finished helium chrome sphere became a dramatic focal point for the Blenheim Ball 2026. Its mirrored surface reflected the palace architecture, event lighting and activity below, adding scale and atmosphere to the dining setting.
The project showed how a bespoke helium inflatable can use overhead space to transform an event environment while preserving the floor area for guests.
The large-scale sphere created a dramatic focal point above the dining space.
Its mirrored surface incorporated the palace architecture and event lighting into the installation.
Using the room’s overhead volume delivered visual impact without reducing guest space.
The centrepiece added atmosphere to the Blenheim Ball in support of Starlight.












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