Visit us Birthday Parties Have your birthday party with Professor Nitrate & Crew! (£18 Per Child) The Royal Gunpowder Mills offers a fantastic party experience for children. Meet Professor Nitrate & crew as they guide you on a day full of super cool science and experimental fun!As part of your party at the Royal Gunpowder Mills you will receive the following…Your own party room to decorate as you wish*Your very own Birthday Party leaderVIP Seating at Professor Nitrate’s Science ShowA Cold Buffet selection consisting of sandwiches, crisps, sweets, fruit, cake & juiceA military truck tour taking you into the parts of the site that are top secret!Your very own VIP Rocket Making or Slime Making session. Your birthday room can be decorated accordingly – The Royal Gunpowder Mills will provide the correct amount of tables and chairs – We ask that decorations are “easy clean” after being taken down – meaning use of pins or blue tack only.Minimum 10 Children , Maximum 15 . One adult free with every 5 children – Additional adults will be asked to pay they group rate of £9.50 – Parents / Guardians (Maximum 2) gain free entry exclusive of one adult free with every 5 children.TIMINGSMORNING PARTY - 11.30am - 2.15pm AFTERNOON PARTY - 1.30pm - 4.15pm Current available dates April 14th , 15th , 16th , 17th , 18th , 19th May 28th , 29th , 30th , 31st June 1st , 2nd August 4th , 5th , 6th , 7th , 11th , 12th , 13th , 14th , 18th , 19th , 20th , 21st , 27th , 28th October 28th , 29th , 30th , 31st To book send an email to [email protected] Goody Bags also available at £3 per bag.