Showing 101–150 of 210 resultsSorted by popularity

Kinetic Art Marble Perpetual Machine

Kinetic Art Marble Perpetual Machine

$134.99
Cool Desk Toy

Cool Desk Toy

$24.99
Magnetic Fidget Toy

Magnetic Fidget Toy

$19.99
Perpetual Motion Desk Toy

Perpetual Motion Desk Toy

$79.99
Stainless Steel Fidget Spinner

Stainless Steel Fidget Spinner

$34.99
Rubik's Cube Fidget Spinner

Rubik’s Cube Fidget Spinner

$23.99
Levitating Light Bulb

Levitating Light Bulb

$163.99
Anti Gravity Fountain Lamp

Anti-Gravity Fountain Lamp

$217.99
Anti Gravity Water Fountain Lamp

Anti Gravity Water Fountain Lamp

$109.99
Light Up Wall Clock

Light Up Wall Clock

$49.99
Einstein E=mc2 Wall Clock

Einstein E=mc2 Wall Clock

Price range: $49.99 through $69.99
Albert Einstein Poster

Albert Einstein Poster

Price range: $16.99 through $109.99
Radiometer Toy

Radiometer Toy

$68.99
Magnetic Sand Timer

Magnetic Sand Timer

$44.99
Hourglass Crystal

Hourglass Crystal

Price range: $67.99 through $79.99
Stirling Engine Car

Stirling Engine Car

$234.99
Stirling Steam Engine

Stirling Steam Engine

$144.99
Steampunk Nixie Tube Clock

Steampunk Nixie Tube Clock

$229.99
RGB Nixie Tube Clock

RGB Nixie Tube Clock

$284.99
Vintage Nixie Tube Clock

Vintage Nixie Tube Clock

$396.99
Light Up Newton's Cradle LED

Light Up Newton’s Cradle LED

$29.99
Bike Chain Fidget Toy

Bike Chain Fidget Toy

$24.99
Fidget Stick Mokuru

Fidget Stick Mokuru

$16.99
Tesla Coil Gun

Tesla Coil Gun

$129.99
Tesla Coil Speaker

Tesla Coil Speaker

$114.99
Tesla Coil Toy

Tesla Coil Toy

$119.99
Anti Gravity Bedside Lamp

Anti Gravity Water Drop Humidifier Lamp

$79.99
Bulb Table Lamp

Bulb Table Lamp

$44.99
Plasma Tube Lamp
Out of stock

Plasma Tube Lamp

$89.99
Physics Wall Clock

Physics Wall Clock

$59.99
Wooden Infinity Cube

Wooden Infinity Cube

$58.99
3D Infinity Cube

3D Infinity Cube

$17.99
Decorative Gyroscope

Gyroscope Decoration

$279.99
Electric Spinning Top

Electric Spinning Top

$32.99
Large Hourglass

Large Hourglass

$144.99
Antique Hourglass

Antique Hourglass

$62.99
Nixie Bulb Clock

Nixie Bulb Clock

$293.99
Wooden Newton's Cradle

Wooden Newton’s Cradle

$114.99
Galactic Anti-Stress Gyro Spinner

Galactic Anti-Stress Gyro Spinner

$19.99
Levitating Photo Frame Lamp

Floating Photo Frame Lamp

$109.99
Nixie Tube Alarm Clock

Nixie Tube Alarm Clock

$119.99
Insect Observation Box with Magnifier

Bug Viewer Magnifier Box

$39.99
Insect Observation Kit

Bug Catcher Kit

$49.99
Nature Projector Lamp for Kids

Kids Projector Flashlight Animals

$29.99
Kids Volcano Science Kit

Volcano Science Kit

$49.99
Tornado in a Bottle Experiment Kit

Water Tornado in a Bottle Kit

$39.99
Potato Clock Experiment Kit

Potato Clock Kit

$19.99
Astronaut Plasma Lamp

Astronaut Plasma Lamp

$64.99
White Plasma Lamp

White Plasma Lamp

$64.99
Heart-Shaped Plasma Ball

Heart Plasma Ball

$89.99
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