If your children are into LEGO® then they're going to LOVE these awesome Mechanical gear building block sets!
Using a mixture of pulley systems and cogs, they'll be able to create windmills, merry go rounds, seesaws, pulleys and many more.
All sets are compatible with any of your child's existing LEGO® sets and are guaranteed to keep them happy for hours on end!
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Suitable For Children Over 5 Years of Age
Compatible with all LEGO® sets
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