| Another Hidden Build Object |
| A bat appears when you are building your own contraption on Halloween. When it gets hit with a ball, it flys around. |
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| Hidden Build Object |
| A Leprechaun appears when you are building your own contraption on St. Patrick's Day. When he gets hit with a ball, he dances. |
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| Hidden Part |
| On Christmas Day a Santa Claus lamp will appear in the part bin. It works just the same as the lava lamp just shaped like Santa. |
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| Secret Valentine's Day Object |
| Play the game on Valentine's Day to unlock a Cupid part. It flies in a straight path like a blimp, but it can pop things with its arrow. |
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