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結果 : invention convention ideas for 5th grade
56:28

55 Amazing inventions and smart ideas!

LHack TV
13,804,873 回視聴 - 3 年前
10:12

5 SIMPLE INVENTION for Fun

Yuri Ostr
107,660 回視聴 - 4 年前
10:02

12 SIMPLE INVENTIONS

LHack TV
1,446,771 回視聴 - 5 年前
11:31

First Grade Invention Convention

Carlisle School
12,696 回視聴 - 4 年前
1:59

Invention Convention

Beaufort County School District
840 回視聴 - 5 年前
2:26

Invention Convention

Edmonton Journal
3,936 回視聴 - 6 年前
10:34

Invention Ideas for Students

DIY Projects
15,342 回視聴 - 3 年前
10:00

3 SIMPLE INVENTIONS Using Recycled Materials

Inventor 101
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4:55

Invention Convention U.S. Nationals 2019

The Henry Ford
21,979 回視聴 - 5 年前

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1:19

5th Grade Invention

Jason Beheler
1,315 回視聴 - 9 年前
16:17

10 SIMPLE INVENTIONS

MaxHax
39,674,560 回視聴 - 4 年前
0:41

How To Make a Robot Spider Make it Home #shorts #experiment #trending

UP EXPERT
24,024,112 回視聴 - 2 年前

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11:31

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

The New Yorker
312,655 回視聴 - 6 年前
0:22

5th grade Invention Convention

Anne Gordon
370 回視聴 - 10 年前
1:46

Invention Convention

NBC4 Columbus
14,197 回視聴 - 13 年前
4:41

Invention Convention

RogersSchools
3,727 回視聴 - 6 年前
6:06

Outstanding Kid Inventors!

TheEllenShow
10,700,594 回視聴 - 7 年前
8:02

4 SIMPLE INVENTIONS | DIY Ideas | Homemade DIY Inventions

Inventor 101
3,686,571 回視聴 - 3 年前
1:07

Invention Convention Trailer

Kimberly Zimmer
192 回視聴 - 11 年前
2:58

Amazing Kid Inventions!

TheEllenShow
17,140,256 回視聴 - 13 年前