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About product and suppliers:
        Alibaba.com offers 38,383 construction building blocks sets products. About 96% of these are blocks, 6% are wooden toys. 

A wide variety of construction building blocks sets options are available to you, such as construction toy, diy toy, and educational toy. You can also choose from pp, abs, and pe. As well as from free samples, paid samples. 

There are 38,343 construction building blocks sets suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Poland, which supply 99%, 1%, and 1% of construction building blocks sets respectively. 

Construction building blocks sets products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 9,021 with Other, 5,957 with ISO9001, and 1,606 with ISO14001 certification.