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Lemon Battery

6 years ago 904997 1

Gyro Car

5 years ago 681840 2

Pendulum Car

6 years ago 64683 0

Levitating Rice

6 years ago 579476 0

Straw Through Potato

6 years ago 578759 0

DIY Science Game

3 years ago 565838 0

Telepathic Light

5 years ago 523354 12

CD GYROSCOPE

4 years ago 427056 0

BUBBLE MACHINE

4 years ago 386041 0

GENIE IN A BOTTLE

3 years ago 384241 0

SEMI SOLID WATER

4 years ago 373026 0

TABLETOP HOVERCRAFT

4 years ago 356737 0

MAGIC FOUNTAIN

3 years ago 352933 0

BOUNCING AND FOLDING EGGS

4 years ago 350330 0