[132] The Colourful World Of Flame Tests [United Christian College (Kowloon East)]
4:55
[185] 近視 • 近視 [St. Paul’s College]
4:41
[186] The Magic of BIOLUMINESCENCE [Diocesan Girls’ School]
4:02
Why 100% Pure Water is Dangerous [Shocking Warning]
17:15
Testing INSANE chemistry recipes from a 1933 formulary book (part 3)
4:00
[193] 網驚呼！美術學生的省錢法寶竟然是…… [Heep Yunn School]
3:36
[142] 拳王之火 [Lock Tao Secondary School]
14:20
ALL OF PHYSICS explained in 14 Minutes
10:53