Showing 151–200 of 210 resultsSorted by popularity

Original Multicolor Plasma Lamp (11 in.)

Plasma Ball Art

$109.99
Bluetooth Plasma Lamp

Bluetooth Plasma Speaker Lamp

$159.99
Newton's Chaotic Pendulum

Chaotic Double Pendulum

$109.99
DIY LED Flashlight

DIY Flashlight Making Kit

$19.99
DIY Robot Piggy Bank

DIY Robot Piggy Bank Kit

$24.99
DIY Ultrasonic Levitator Kit

Acoustic Levitation Kit

$24.99
DIY Optical Illusion Game

Hypnotic Spiral Illusion Kit

$19.99
DIY Pedagogical Wheel Game

Wooden Ferris Wheel Kit

$24.99
DIY Electricity Education Kit

DIY Electricity Education Kit

$44.99
Electric Wire Skill Game

Steady Hand Buzz Wire Game

$19.99
DIY Educational Day and Night Alternation Globe

Day and Night Globe Kit

$44.99
DIY Vacuum Cleaner Physics Science Game Kit

DIY Bottle Vacuum Cleaner Kit

$44.99
DIY Ball Launcher Game

DIY Ball Launcher Kit

$19.99
Solar Car Toy

Solar Powered Car Kit

$24.99
Solar House Toy

Solar House Kit

$24.99
Mini Strandbeest DIY

Mini Strandbeest Kit

$24.99
Solar Insect

Solar Powered Grasshopper

$14.99
Solar Energy Satellite

Solar Satellite Kit

$24.99
Solar Lunar Rover

Solar Moon Rover Kit

$19.99
3-in-1 Solar Energy Dinosaur

Solar Dinosaur Robot 3 in 1

$24.99
DIY Wooden Boat Toy

DIY Bottle Boat Science Kit

$39.99
Hydraulic Arm Toy for Kids

Hydraulic Arm Kit

$34.99
Kids' Hydraulic Mechanics Set – Elevator

Hydraulic Scissor Lift Kit

$24.99
Construction Marble Run

Wooden Marble Run Mechanical Puzzle 130 Pieces

$139.99
Wooden Domino Game

Wooden Domino Set

$44.99
Marble Run Circuit Game

Space Rail Marble Roller Coaster

$119.99
Build-It-Yourself Mini Thermal V8 Engine

V8 Engine Model Kit

$119.99
Da Vinci Catapult

Da Vinci Catapult Kit

$44.99
Build-Your-Own Dinosaur

Dinosaur Skeleton Model Kit

$59.99
Hydraulic Excavator Play Set

Hydraulic Excavator Kit

$24.99
Wooden House Building Set

Wooden House Model Kit

$29.99
3D Solar Helicopter Toy

3D Solar Helicopter Kit

$29.99
Solar Spinner

Solar Carousel Kit

$24.99
Kids Slime Putty (Set of 6)

Slime Kit 6 Pack

$59.99
hand crank generator kit

Hand Crank Generator Kit

$24.99
diy electromagnet

Electromagnet Science Kit

$14.99
diy traffic light kit

DIY Traffic Light Kit

$24.99
laser tripwire kit

DIY Laser Tripwire Alarm Kit

$24.99
diy drone kit

Build Your Own Drone Kit

$29.99
nixie tube clock

Digital Nixie Tube Clock, Warm-Glow Desk Clock

$119.99
retro desk clock

Steampunk Nixie Clock

$259.99
liquid hourglass gift

Gold Glitter Hourglass

$39.99
elegant hourglass

Framed Decorative Hourglass, Wooden Desk Art Piece

$139.99
electronic hourglass

Digital LED Hourglass

$59.99
electric science kit

Electronics Kit for Kids

$44.99
snap circuit kit

Electric Circuit Kit

$79.99
Hourglass Curves

Hourglass Curves

$34.99
Dancing Robot Toy

Dancing Robot Toy

$34.99
Mini Plasma Ball

Mini Plasma Ball

$44.99
Antique Gyroscope

Antique Gyroscope

$434.99
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