jiulianhuan
7:12Metal ring puzzle with rings intra-locked within a principle frame Part 1 of 2
5:11Advanced string puzzle OUT---- Take away the ring
9:48Mechanical puzzle: Integration of intra-locked-ring and interlocking-ring system
4:49Advanced string puzzles IN----replace the ring
4:31metal and string puzzle
4:40第一部分雙層(兩節)蛇環(附中文註解)
7:00Metal wire and ring puzzle with handle shuttling through a principle frame
8:17Metal ring puzzles
4:45Metal ring puzzle with rings intra-locked within a principle frame Part 2 of 2
6:21One version of African ball and string puzzle
4:504/4 Simple wire puzzle making--簡單巧環(合併)製作示範
4:28Funny magic show
4:32With simple tools to make a wire puzzle----簡單工具巧環製作示範
8:08110 hurdles Olympic game 2004
5:06擬似二進數系統數學遊戲(由 0000 至 1000)
12:40陳丹青： 千年文脈(文化脈)已斷_ 凤凰网文化
9:05「核」去「核」從(下) 1_3
4:59套環出劍系列之大腳板
5:083D雙層五連環入劍
5:32第一部分 高階哪吒(1,2,3,1)拆解示範