Hundreds of people gathered outside the Beetson family home in Torrington Road to see the switch flicked on the animated Christmas decorations.
All the money raised over the festive season will be donated to Glamis Hall and staff and volunteers from the center were on hand to help kick off the
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Heather Saunders from Glamis Hall day centre said: "We are very happy to be chosen as this year's charity. It's a tremendous thing to do.
"The family heard about the cuts in funding and wanted to help us. I think they are amazing."
Families watched display mastermind, Karl Beeston, set off the digital countdown to switch on the 50,000 light bulbs, dancing inflatable Santa, multi-
coloured candy canes, cheeky elves and a sparkling snowmen called Big John.
Karl, 30, said: "We heard about Glamis Hall losing its funding in the Northants Telegraph and we felt compelled to do something.
"We hope to raise around £4,000. The hall is used by the whole community so that's why we need to help."
The lights, sponsored by Plumbco, will be displayed every evening from 4pm to 10pm until New Year's Eve.
Karl added: "We love putting on the display for all our hundreds of visitors and we are very grateful that our neighbours support us in doing this."