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Lemon Battery

5 years ago 784697 1

Pendulum Car

5 years ago 58693 0

Levitating Rice

5 years ago 515876 0

Straw Through Potato

5 years ago 509959 0

Gyro Car

4 years ago 499138 2

DIY Science Game

3 years ago 475638 0

Telepathic Light

4 years ago 466053 12

CD GYROSCOPE

3 years ago 369656 0

BUBBLE MACHINE

3 years ago 333441 0

GENIE IN A BOTTLE

3 years ago 322741 0

SEMI SOLID WATER

3 years ago 312826 0

TABLETOP HOVERCRAFT

4 years ago 309836 0

BOUNCING AND FOLDING EGGS

4 years ago 301730 0

MAGIC FOUNTAIN

3 years ago 287533 0