The museum is partially closed due to renovations. A part of the museum is open for GIF!
Poison expert Dr. Freek Vonk takes you to the world of poison.Read more
Since Tuesday June 6th 2017, T. rex Trix is traveling in Europe. At the beginning of 2019 she returns to Leiden.Read more
In the summer we have extra activities for children (adults can join too) in the cool shade of the big tree in our patio.