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LEGO Duplo bricks are designed for young children aged 1½ to 5 years. Duplo bricks are twice the length, height and width of traditional Lego System bricks.

LEGO Duplo bricks are designed for young children aged 1½ to 5 years. Duplo bricks are twice the length, height and width of traditional Lego System bricks.

Duplo bricks alongside a smaller regular-sized Lego brick.

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