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結果 : invention convention ideas for kids
11:31

First Grade Invention Convention

Carlisle School
12,339 回視聴 - 4 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
2:58

Amazing Kid Inventions!

TheEllenShow
17,118,406 回視聴 - 13 年前
10:12

5 SIMPLE INVENTION for Fun

Yuri Ostr
101,383 回視聴 - 4 年前
6:06

Outstanding Kid Inventors!

TheEllenShow
10,672,104 回視聴 - 7 年前
4:00

Kid Inventors Day

Centre for Family Literacy
284 回視聴 - 1 年前
56:28

55 Amazing inventions and smart ideas!

LHack TV
13,493,197 回視聴 - 3 年前
16:17

10 SIMPLE INVENTIONS

MaxHax
39,580,646 回視聴 - 4 年前
3:14

3 Simple Inventions For Students !!!

CREATOR GUY
252,949 回視聴 - 6 年前
2:15

Kid inventors compete for top prizes at Invention Convention

LOCAL 12
17,855 回視聴 - 9 年前
10:02

12 SIMPLE INVENTIONS

LHack TV
1,443,313 回視聴 - 5 年前
5:00

How To Be An Inventor! | Kid President

Participant
2,087,209 回視聴 - 10 年前
6:36

3 SIMPLE INVENTIONS FOR SCHOOL PROJECTS

Hapsyno FX
16,629 回視聴 - 4 年前
5:52

Brilliant Kid Inventors!

TheEllenShow
13,249,524 回視聴 - 13 年前
28:37

Top 17 Practical Inventions and Crafts from High Level Handyman

LHack TV
11,300,171 回視聴 - 3 年前
0:38

2021 1st Grade Invention Convention

Carlisle School
762 回視聴 - 3 年前
11:02

6 SIMPLE INVENTIONS

TQT HACKS
8,830,826 回視聴 - 6 年前
3:32

Grade 2 Invention Project

St. Anne School
1,637 回視聴 - 5 年前
5:34

How to make a vacuum cleaner from Coca Cola

LHack TV
4,746,977 回視聴 - 4 年前
6:03

Brilliant Inventions From Kids! (Season 7)

TheEllenShow
13,325 回視聴 - 1 年前