Castle of Elite - Official game guide|
Introduction - Basics - Solutions - Secrets - Trivia
When the guide tells you to place a brick symbol on a certain square, it means you should aim the mouse cursor on that square.
A: Get the first symbol, jump up and place it here.
B: Get the second symbol, and place it here. Get the coins and hit the yellow switch.
C: Get the final symbol and place it here, without touching the yellow switch above. Jump up and hit the green switch when the Trapper is flying to the right, and it will destroy itself with another green switch. Hit your green switch again.
D: Destroy this brick, and fall down to the goal.