No need. Intelligent Rubik's Cube Education is a personalized education brand of 1 to 1 tutoring for middle school students under Only Education. Founded in 2009, Intelligent Rubik's Cube Education is an education and training institution formed in the years of development of Only Education. Only Smart Rubik's Cube Education is a professional education brand with personalized education (one-on-one, one-on-three) mode for middle school students under Only Education of Shanghai Jiaotong University. The formal refund procedure of educational institutions is to refund money directly without bank card, ID number and bank.