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Jyutping lou5 baan1 so2
Pinyin lǔ bān suǒ

Definitions (粵典–words.hk)
  1. 名詞
    一種​長​、​闊​、​高三​軸入​榫​組​合​嘅​積​木​(​量​詞​:​個​)
    traditional Chinese burr puzzle