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For the trap in the Home Village with the same name, see Spring Trap/Home Village.
Spring Trap info

"This bouncy little number will toss unwanted visitors right off your property!"


Spring Trap1 Spring Trap3 Spring Trap5
Level 1 Level 2-3 Level 4

  • Summary
    • The Spring Trap is a defensive trap in the Builder Base that springs ground units off the map. The units will appear to fly to the top of the screen then fall down.
    • The Spring Trap does not need the Master Builder for construction, however, the Master Builder is required for upgrading.
    • The Spring Trap can spring a certain number of troops, depending on its spring capacity. The spring capacity is the total spring weights of the units on top of the trap. Higher leveled Spring Traps have a larger spring capacity, allowing them to launch more troops at once.

  • Defensive Strategy
    • Spring Traps can be combined with Push Traps by facing Push Traps toward the Spring Trap. This is useful in eliminating distraction troops like Boxer Giants, so that your defenses will focus on the other enemy troops.
    • Grouping Spring Traps isn't recommended, since only a few small troops like Raged Barbarians can trigger them easily.
    • Spring Traps do not trigger a troop's ability if it requires the troop to be destroyed. For example a Cannon Cart will not activate Last Stand when it was bounced.

  • Upgrade Differences
    • At level 1, the Spring Trap appears to be a wooden board on a metal spring.
    • At level 2, the Spring Trap's spring becomes much thicker,and the wood also becomes much wider and thicker.
    • At level 4, the Spring Trap gains a metal border around the board's edges.

  • Trivia
    • The Spring Trap gains more spring capacity per upgrade and has a higher maximum spring capacity than its Home Village counterpart, but begins with fewer.
    • The Spring Trap can fail to trigger properly if a Raged Barbarian's rage ability is active and he simply ran past the trap without stopping.

  • Icon Descriptions
    Icon InfoTapping this icon displays information about the Spring Trap, such as Level, Damage Type and Targets.
    Icon UpgradeTapping this icon begins upgrading the Spring Trap to the next level, if you have enough resources and a free Master Builder or O.T.T.O. When the Spring Trap is at maximum level, this icon is not shown.
    Icon HoBTapping this icon instantly upgrades the Spring Trap to the next level, at the cost of one Hammer of Building if you have one. When the Spring Trap is at maximum level, this icon is not shown.
    Icon FinishNowTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of the displayed number of Gems.
    Icon FinishNowBoBTapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Building. This icon is only shown if you have at least one Book of Building.
    Icon FinishNowBoETapping this icon, which is displayed only while an upgrade is in progress, instantly finishes that upgrade at the cost of one Book of Everything. This icon is only shown if you have at least one Book of Everything but do not have a Book of Building.
    Icon CancelTapping this icon, which is displayed only while an upgrade is in progress, cancels the current upgrade and refunds half of the upgrade cost.
Builder Hall Level 1 2 3 4 5 6 7 8 9
Number Available 0 0 2 2 3 3 3 5 6
Size Size
1x1
Level Level Spring Capacity Icon PushStrengthTrap Cost GoldB Build Time Stopwatch Experience Gained XP Builder Hall Level Required Builder Hall8
1 5 10,000 N/A N/A 3
2 10 30,000 1h 60 4
3 15 100,000 8h 169 6
4 20 300,000 12h 207 8
Trigger Radius Range Damage Type Damagetype Unit Type Targeted Target Favorite Target Target
0.7 tiles Bounces away troops Ground None
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