Spheres - push left and then send Loof down to the tramp - (don't take those coins on the left). Jump down, turn around and jump back up. Push sphere down. Go back down tramp, take bottom coin, go back up tramp and push sphere down again. Push top sphere right onto white button. This sets the other two in motion and they will land in the water. Stay out of the way.
Reflectors - Take the coin in front of cannon, push the bottom reflector up in front of the break tile (follow pink line, then the green line) push the top reflector in front of the cannon. Break only one box, (move reflector up) then move box by the ice/green button into the water. Push the reflector back so you can break another box, move reflector out of the way again, push the last box into the water to get the bonus coins. Note you will need one reflector to push into the water to get coin (use the first one that you were moving around to block the cannon fire). See picture
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Many don't realize the time it takes to put a level together let alone a 4 part series, you really have created alot of awesome puzzlers, and deserve some help writing the spoilers. I'm glad I am able to help.
Besides if we all help with your spoilers then you have more time to spend in the editor right ?
You make em we'll play em "I see good things in the future"