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Lemon Battery

5 years ago 703897 1

Pendulum Car

5 years ago 57193 0

Levitating Rice

5 years ago 503776 0

Straw Through Potato

5 years ago 491559 0

Telepathic Light

4 years ago 452853 12

DIY Science Game

2 years ago 449538 0

Gyro Car

4 years ago 443638 2

CD GYROSCOPE

3 years ago 353956 0

BUBBLE MACHINE

3 years ago 323741 0

GENIE IN A BOTTLE

3 years ago 304141 0

SEMI SOLID WATER

3 years ago 300326 0

TABLETOP HOVERCRAFT

3 years ago 300136 0

BOUNCING AND FOLDING EGGS

3 years ago 291830 0

MAGIC FOUNTAIN

2 years ago 268633 0