Ideas Book is LEGO set 8888-1. It has a score of 84. This is average compared to all other sets. The set is recommended by 2 reviews, based on 3 scored reviews and 3 reviews total. It is ranked in the top 37.61% scored sets on Brick Insights. We know this set was released in 1980, and it is categorised in Books.
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The blue machine in the picture above is built from instructions in the (completely wonderful) 8888 ideas book, published in 1980, and using only parts from that era. It's movements are cunningly controlled using only racks and gears (lots of gears..) and it works OK, if not brilliantly. Cute, though.