Parent category Mental exercise
Browse activities by category 'Problem solving'
Solve small riddles to find the treasure.
On a white board etc take turns in connecting dots to create the most rectangles.
Spot objects and be the first to solve the riddle
Hide a treasure and create a map
Get involved in the building process of your next home.
How smart are you?
Simulate global trading while having a dinner
Crowd sourcing for public good