![](https://treehousemuseum.org/sites/default/files/styles/class_detail_img/public/BuildingKnight.png?itok=O13g6myH )
It’s an Engineering Adventure Day with the Knights of Treehouse! Visitors can participate with their family team in a castle building contest at 12 and 2 and then use the Treehouse catapult to try to knock their fortresses down! Medieval ParticiPlays happen in the Treehouse Castle Theater at 11 a..m and 3 p.m. All of these amazing activities are free with your admission or membership.