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結果 : cool invention ideas for students
56:28

55 Amazing inventions and smart ideas!

LHack TV
13,493,218 回視聴 - 3 年前
1:05

All About Cool Inventions! | Nat Geo Kids Cool Inventions Playlist

Nat Geo Kids
93,580 回視聴 - 8 年前

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14:53

3 SUPER INVENTIONS

HawkGuruHacker
10,984,350 回視聴 - 3 年前
11:33

3 DIY INVENTIONS

Inventor 101
90,047,662 回視聴 - 3 年前
11:06

8 SIMPLE INVENTIONS

Inventor 101
22,954,010 回視聴 - 4 年前

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16:17

10 SIMPLE INVENTIONS

MaxHax
39,580,656 回視聴 - 4 年前
10:12

5 SIMPLE INVENTION for Fun

Yuri Ostr
101,402 回視聴 - 4 年前
10:34

Invention Ideas for Students

DIY Projects
14,162 回視聴 - 3 年前
3:38

💡 29 Cool INVENTIONS: Making Your Life EASIER!

Interesting Engineering
14,437,955 回視聴 - 4 年前
10:02

6 AMAZING INVENTIONS that make people’s lives easier and more interesting!

Inventor 101
10,225,215 回視聴 - 3 年前
28:37

Top 17 Practical Inventions and Crafts from High Level Handyman

LHack TV
11,300,181 回視聴 - 3 年前
10:02

12 SIMPLE INVENTIONS

LHack TV
1,443,313 回視聴 - 5 年前
11:31

11 Kid Inventors Break Down Their Greatest Inventions | The New Yorker

The New Yorker
306,886 回視聴 - 6 年前
9:22

5 GENIUS IDEAS and INVENTIONS

Inventor 101
3,853,448 回視聴 - 2 年前
1:00:44

100 Amazing inventions and smart ideas!

LHack TV
13,702,459 回視聴 - 4 年前
13:33

3 Cool Invention Ideas

DIY Projects
17,245 回視聴 - 3 年前
11:02

6 SIMPLE INVENTIONS

TQT HACKS
8,830,826 回視聴 - 6 年前
2:58

Amazing Kid Inventions!

TheEllenShow
17,118,406 回視聴 - 13 年前
19:13

COOL INVENTIONS YOU SHOULD SEE

TechZone
2,961,141 回視聴 - 11 か月前
10:00

6 SIMPLE INVENTIONS Using Recycled Materials

Inventor 101
82,626,095 回視聴 - 4 年前