they can be seen at the end of the pergola walkway close to the Children's Fairy-tale Village
The Deer slot can be found to the right of the main steps leading from the Orangery to the Castle. It is set amongst the trees.
Can be seen alongside the bamboos to the right as you walk up the main steps to the castle
The finger maze can be seen alongside the path that follows the Ha Ha from the Orangery to the Castle.