Just had an offer come through for 2 adults for £15 instead of £60
The offers here until midnight

It says this
Day Tickets For Two Adults (£15) or Two Adults and Two Children (£19) for The Bushcraft Show (Up to 70% Off)

Key information

Valid for Saturday 2nd June 2012, 9.30am-10.30pm
First aid area
Toilet and shower facilities
Dogs welcome on leads

The Bushcraft Show
Elvaston Castle and Country Park, Borrowash Road (B5010), Elvaston, Derby DE72 3EP