Discount retailer Lidl will sell Britain’s cheapest lobster this Saturday, for a bargain £2.99 (€3.50/$3.70) thanks to a new promotion it is running on Twitter.

The discount supermarket chain promised followers on Twitter that they would drop the price of the luxury item based on the number of users interacting with a post advertising the £5.99 (€7.10/$7.50) product, reports The Evening Standard.

The 33 percent price drop comes thanks to more than 2,000 tweets and countless retweets.

Lidl is the first supermarket chain to try-out the scheme.

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