Expedition experience for children, Castle ruins Huis ter Kleef, Haarlem
Archeology activity for children, Forum Hadriani, Leidschendam-Voorburg the Netherlands. This northernmost Roman city was named after Hadrian, a Roman emperor from 117 to 138. The site was excavated for the first time in 1827-1834 by Caspar Reuvens, the world's first professor of archaeology.
Museum activity for children, Archeological Museum Haarlem.
Museum of Utrecht, Alphabet Certificate