結果 : invention convention ideas high school
2:21

Invention Convention

CCSD59
593 回視聴 - 9 年前
11:31

First Grade Invention Convention

Carlisle School
12,799 回視聴 - 4 年前
1:26

Invention Convention

Valley Catholic School
846 回視聴 - 11 年前
2:24

Student invention convention

CityNews
980 回視聴 - 5 年前
56:28

55 Amazing inventions and smart ideas!

LHack TV
13,863,909 回視聴 - 3 年前
10:02

12 SIMPLE INVENTIONS

LHack TV
1,447,490 回視聴 - 5 年前
2:26

Invention Convention

Edmonton Journal
3,955 回視聴 - 6 年前
10:00

3 SIMPLE INVENTIONS Using Recycled Materials

Inventor 101
7,937,785 回視聴 - 4 年前
0:31

Fun and educational STEM projects for kids

Alicorn Shop
27,231 回視聴 - 3 年前

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11:31

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

The New Yorker
313,822 回視聴 - 6 年前
1:59

Invention Convention

Beaufort County School District
846 回視聴 - 5 年前
4:55

Invention Convention U.S. Nationals at The Henry Ford

The Henry Ford
4,788 回視聴 - 4 年前
6:28

Invention Convention

BangorMaineSchools
112 回視聴 - 9 年前
5:51

Raytheon Technologies Invention Convention U.S. Nationals • Event Recap 2023

The Henry Ford
260 回視聴 - 1 年前
1:48

HSD Invention Convention

Steinbachonline Steinbach
282 回視聴 - 6 年前
10:12

5 SIMPLE INVENTION for Fun

Yuri Ostr
108,527 回視聴 - 4 年前
10:34

Invention Ideas for Students

DIY Projects
15,564 回視聴 - 3 年前
2:19

MTSU Hosts 20th Annual Invention Convention

Middle Tennessee State University
1,060 回視聴 - 12 年前
4:00

EIPS Invention Convention 2017

Elk Island Public Schools
322 回視聴 - 7 年前
2:00

Ottawa middle school students show off their inventions

Ottawa Citizen
831 回視聴 - 6 年前