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See the GBC Wing Lift in action!
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Build Great Ball Contraptions from existing LEGO sets.
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GBC Balls
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Spirograph Spinner – 42055 Building Instructions
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GBC 21 Mine Factory – 42055 Building Instructions
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USB Power Box
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GBC 36 Crazy Carnival – 42082 Building Instructions
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GBC Starters Pack
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GBC 53 Marble Music Machine – 42146 Building Instructions
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