Stable & Compatibility The pieces are solid and easy to fit together. Sturdily designed to prevent the marble maze from falling apart easily. Compatible with most of the major brands(Lego Duplo etc,.) building blocks on the market.
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Safer with Large Building Blocks The smoothness of the blocks gives the kids an easier and more comfortable fun time, these large particles make toddlers 3+ easily grasp them, and parents are more assured as it can prevent swallowing.
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More Balls & More Fun With 8 x 1-inch balls, boys and girls will experience more fun chasing, learning, and growing in the gravitas marble racing game.
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