３個
How to write Japanese & Stroke order

Check also 個  

Names and idioms with total stroke of 10:
山条  ひき入れる  生処  周八  剗  

Names and idioms similar to ３個:
個展  個月  個人広告  個人情報  個別労働紛争解決制度  

Check stroke order for the words below:
鍜治本  知準  偉市  茉佑実  小見聞  伏角  綱島温泉