Price per group of 2-6 people. Within 2 hours the Qula Haarlem City Trail will guide you along the best spots in Haarlem, while playing fun riddles and assignments on your smartphone. Try to set a top score with family or friends and explore the city. There are no fixed starting times or reservations, you pick your own day and time. The Trail is available 24/7 and there is no time limit - you can start, pause and stop whenever it suits you! It's offered in multiple languages (Eng, Ger, Fr, Ned, Sp, It and more). The Qula City Trail is great fun and the most affordable outing for families and groups of friends. How does it work? With your booking, you will receive an e-mail with instructions on how to play the Trail on your smartphone. Android or IPhone compatible. Once at the starting point, you begin your quest through the city, it's that easy!