Holt Is The NPC Who Gives You The Quest To Collect The 30 Puzzle Pieces.
To Find Him, simply go to where you can go to the creek in the Main Hub Area, And climb up to this ledge, with the billboard.

After obtaining the Magnet and completing it's tutorial,









go back to where the wire was found.







after arriving at this location, follow this path next to the Tree Root.




once you arrive at the edge, you should notice a white magnet indicator
using the magnet, swing to the small platform that contains the puzzle piece.

In this area, (Right near Theo,)








Follow this Path Onto the Big bouncy Mushroom, that launces you all the way to this puzzle Piece.

For this puzzle piece, all you have to do is find Optica the Merchant in the main hub area, and then follow this path from Optica,







to the ledge below, containing the Puzzle Piece.

For this puzzle piece, go back to where the wire could be found, and follow this path onto the ledge, using the magnet to get up.

once up, simply continue straight ahead to find the puzzle piece.

from the entrance of the skate park, go straight, and take a left.








continue down that path untill you reach a dead end. climb up the wooden stairs to find the puzzle piece.

on the way back from the location of puzzle piece 5, stop at this pond.








make your way around, and find this rail that you can use the magnet on.








try to swing up to this pipe using the magnet. once you're up, continue down the pipe to find the puzzle piece.

right by the entrance of the Skate park, take an imediate left, to this bouncy mushroom.










once up on the platform, use the magnet on this rail to get to the floating bowl.










from the bowl, jump into the pipe here (theres probably gonna be a couple wood boards in the way, just break them.)
continue down the pipe to find the puzzle piece.

if you go through ant nest and exit towards the Second Boss Fight and the Mangrove Area and turn around, you'll spot this puzzle piece on top of the ledge. There are multiple ways to get up, but the easiest way is with the canonballs.



https://www.youtube.com/watch?v=2OsQuFCf9pA
simply grab a canonball, look up, roll up into a ball, and release the canonball, and magnet the canonball again. repeat this to gain height. you can then simply fall onto the platform with the puzzle piece.

first, start right after the second boss fight area and make your way through the mangrove area normally, untill you reach this spot with the 2 nails.







looking to the left, you should spot the puzzle piece. to get there, simply jump as far as you can, and swim and climb the rest. trust me, it takes way longer than you think for the fish to eat you.

for the next puzzle piece, like the previous one, make your way across the mangrove area as normal, up untill this point.







once you're here, simply turn around to find the puzzle piece.

similarly to the previous puzzle pieces, simply make your way through the mangrove area, untill you reach this rock.




then, from the end of this rock, looking to the right towards the mantis village, you should see the puzzle piece.











From there, just use the magnet to get onto the tree roots, and make your way to the puzzle piece.

for this puzzle piece, first, make your way to the most high-up mailbox in the village.









when you're there, walk past the mailbox, and look down. you should see the puzzle piece.
simply jump down to the platform, and collect the puzzle piece.

for this puzzle piece, first, go to this location.









from this location, go towards the tree, and climb up and to the right,









climb over the branch and drop down onto the puzzle piece.

right as you enter this area, this puzzle piece can be seen.








to get there, magnet off of the nails on the hanging bar, like shown in the immage.
if you go too fast and low, hold the 2nd magnet nail longer,
if you go too slow and high, hold the 2nd magnet nail shorter.

finally, the Last Puzzle Piece, can simply be bought anywhere from Optica the Merchant, for 50 Junk.