If you get stuck, here are hints and solutions to all the puzzles.
WARNING this contains many spoilers.

This room is NOT linear meaning puzzles can be solved in many orders. So watch out for spoilers below, when you look for your puzzle.

Clean up after the artists:
1: The acts left their props in crates. There are 6 of these.
2: They go on the cart with names
Solution: The names correspond to the posters and the stuff inside the crates. R&A=clowns. Wendy=swords. Luella=strong, weights. Serena=fortune teller ball. Veronica=the one with an eye. Norvil=magic cards and top hat

Getting power:
1: The tools are unlocked
2: The screwdriver is tricky, but you can change heads on it. There are two in the tool box
Solution: Use the two heads on the screwdriver to unlock the screws in the lower corners of the power box.

Basket game:
Solution: You actually need no score with a basketball in each of the three baskets. You can hold left mouse button to throw

The weight pallet:
1: when you stand on it something opens
2: The color of the pallets matches something else
Solution: Drag the small crate in the same color on to of the pallet to open the curtain

The animals:
1: It is hard to see, but with sharp perception you should be able to peek into the trailers
2: The Number of animals is input in the first room on the dials
Solution: The answer is Zebra=4. Elefant=1. Lion=2

Breaking into the Ringmaster’s trailer:
1: Read his letter carefully from the box outside his trailer
2: Have you checked the windows on the trailers?
Solution: Place the window latch from the elephant trailer window in the screwdriver and use it on his lock on the door.

The strong man test:
1: Have you tried to use the hammer on the big button?
2: Perhaps the 3kg hammer is not heavy enough
Solution: Inside the ringmaster’s trailer you will find the 8kg hammer to use on the button

The torso test.:
1: In his note, he says that the organs from the tomb can be used. There are 4 jars in the trailer.
2: What organs do the 4 blue jars represent? Is there somewhere to sell organs?
Solution: Top shelf = lungs. Middle left = liver. Middle right= Stomach. Bottom = intestine

Activating the Body Sphere:
Solution: Place the 6 gold stars with body parts from prize boxes on the board with a body in the trailer.


Please let me know if you need more hints or still get stuck anywhere.