Three hours at a table surrounded by raw materials, a dedicated tablet in front of you, and a nose that knows more than you think. We open with a short journey through the history of perfume, where it came from, how it moved through cultures, why it stayed. You smell and categorize twenty one raw ingredients, match mystery accords, and start to understand what your nose is drawn to. Your tablet guides you through every step, built specifically for Osmi Lab, in English, making the whole experience interactive and personal. By the end, a formula has been built around what you discovered. You name it. You leave with a 10ml bottle of it. No background needed. Just curiosity and three hours you won't forget. Small group. Max 4 people. Held at home in Groningen. osmilab.com | @osmi.lab on Instagram Conducted in English.

Discover the stories that shaped Haarlem, one of the Netherlands' most fascinating historic cities. Follow the Spaarne through centuries of art, science, trade, and resilience as you explore iconic landmarks, hidden courtyards, and remarkable local stories. Visit the church where Mozart performed, see the oldest museum in the Netherlands, uncover the country's oldest hofje, and admire Haarlem's famous riverside windmill. Perfect for curious travelers, this self-guided walking tour combines history, culture, and interactive quizzes, revealing the people, places, and events that helped shape Haarlem into one of the Netherlands' most beloved cities. • Self-guided walking tour through Haarlem's historic center • Visit iconic landmarks, hidden courtyards, and cultural treasures • Discover stories of Dutch Masters, WWII heroes, merchants, and innovators • See the Netherlands' oldest museum and oldest hofje • Interactive quiz experience with lifetime access included