There are also roller coasters, fun houses, slides, and a Ferris wheel. Other attractions of the festival include a flea market on the festival's first Saturday, a “Beer Queen” contest, a vintage car show on the first Sunday, fireworks every Friday night, and a "Day of Traditions" on the final day. May, August, and October, Mariahilfplatz: Auer Dult is Europe's largest jumble sale, with fairs of its kind dating back to the 14th century. The Auer Dult is a traditional market with 300 stalls selling handmade crafts, household goods, and local foods, and offers carnival rides for children. It has taken place over nine days each, three times a year. since 1905. July, English Garden: Traditionally a ball for Munich's domestic servants, cooks, nannies, and other household staff, Kocherlball, or ‘cook’s ball’ was a chance for the lower classes to take the morning off and dance together before the families of their households woke up. It now runs between 6 and 10 am the third Sunday in July at the Chinese Tower in Munich's English Garden. July and December, Olympia Park: For three weeks in July, and then three weeks in December, Tollwood showcases fine and performing arts with live music, circus acts, and several lanes of booths selling handmade crafts, as well as organic international cuisine. According to the festival's website, Tollwood's goal is to promote culture and the environment, with the main themes of "tolerance, internationality, and openness". To promote these ideals, 70% of all Tollwood events and attractions are free. September and October, Theresienwiese: The largest beer festival in the world, Munich's Oktoberfest runs for 16–18 days from the end of September through early October. Oktoberfest is a celebration of the wedding of Bavarian Crown Prince Ludwig to Princess Therese of Saxony-Hildburghausen which took place on October 12, 1810. In the last 200 years the festival has grown to span 85 acres and now welcomes over 6 million visitors every year. There are 14 beer tents which together can seat 119,000 attendees at a time, and serve beer from the six major breweries of Munich: Augustiner, Hacker-Pschorr, Löwenbräu, Paulaner, Spaten and Staatliches Hofbräuhaus.