Marble Sort Niveau 307 : Solution
Solution de Marble Sort Niveau 307 : Lock, Key, and Mystery Box Trap. Suivez l’ordre sûr et gardez la bande libre pour la fin.
Niveaux · 307
Niveaux 450–450
Niveaux 460–460
Niveaux 487–487
Niveaux 500–500
Niveaux 517–517
Niveaux 550–550
Marble Sort Niveau 307 : Solution
Aperçu du plateau du niveau 307 : Lock, Key, and Mystery Box Trap

The verified walkthrough names this board Lock, Key, and Mystery Box Trap. Its confirmed opening order starts with: Open by taking the orange stones found at the tray’s lower-middle and feeding them up into the orange Box that leads Column 1. Then: Take the dark green stones on the tray’s lower-right to empty the dark green Box that leads Column 2 and flip the first question box. The same source order is kept below so the conveyor does not fill with bait.
Le piège de Marble Sort Niveau 307
- Opening bait: Slide the two pink/red piles from the bottom line into the pink/red Boxes that head Column 3 and Column 4, then wait until you see what the grey boxes in Column 2 and Column 4 ask for.
- Board order: Force the left side downward, taking the light pink stones over there to empty the next Box heading Column 1.
- Belt discipline: Utilisez ici uniquement les premiers dégagements vérifiés et ne remplissez pas la bande sans récepteur actif.
Solution pas à pas de Marble Sort Niveau 307
Ouverture : faites les premiers dégagements sûrs

- Open by taking the orange stones found at the tray’s lower-middle and feeding them up into the orange Box that leads Column 1.
- Take the dark green stones on the tray’s lower-right to empty the dark green Box that leads Column 2 and flip the first question box.
- Slide the two pink/red piles from the bottom line into the pink/red Boxes that head Column 3 and Column 4, then wait until you see what the grey boxes in Column 2 and Column 4 ask for.
Milieu de partie : ouvrez la prochaine voie de récepteurs
Après l’ouverture, déplacez chaque groupe seulement lorsque son récepteur est prêt.
- Force the left side downward, taking the light pink stones over there to empty the next Box heading Column 1.
- If those fresh question boxes want light blue or deep blue, remove the stones parked against the golden key marker and send them only when a matching receiver shows up.
- Once the lane is open, strike the block that carries the golden key so the top-center chain snaps and the light green, deep blue, and yellow row breaks free.
Nettoyage : terminez la séquence restante
La fin suit l’ordre restant de la source. Faites une pause si la bande se remplit.
- Review your arrow dependencies now, moving the light green and yellow stones only after the receivers they point to have fallen, then edge inward from the cleared left using the frozen orange and light blue stones once two neighbors are dropped.
- Turn to the tray’s upper-right zone to satisfy any brown or purple the question boxes need, avoid parking more than two unmatched stones, and empty the final pink and blue stacks in sequence to close the board.

Récapitulatif des astuces du niveau 307
- Slide the two pink/red piles from the bottom line into the pink/red Boxes that head Column 3 and Column 4, then wait until you see what the grey boxes in Column 2 and Column 4 ask for.
- Once the lane is open, strike the block that carries the golden key so the top-center chain snaps and the light green, deep blue, and yellow row breaks free.
- Turn to the tray’s upper-right zone to satisfy any brown or purple the question boxes need, avoid parking more than two unmatched stones, and empty the final pink and blue stacks in sequence to close the board.
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