Showing 1–48 of 301 resultsSorted by popularity

Pyramid Brain Teaser

Pyramid Brain Teaser

(5) £25,99
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Magnetic Perpetual Calendar

Magnetic Perpetual Calendar

(5) £41,49
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DIY Stirling Engine Kit

DIY Stirling Engine Kit

(8) £63,99
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Jellyfish Lava Lamp

Jellyfish Lava Lamp

(5) £51,49
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Antigravity Gyroscope

Antigravity Gyroscope

(6) £47,49
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Tesla Coil Music

Tesla Coil Music

(5) £67,99
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3D Hourglass Sand

3D Hourglass Sand

(7) £46,49
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Magnetic Fidget Pen

Magnetic Fidget Pen

(7) £32,49
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Periodic Table With Real Elements Samples

Periodic Table With Real Elements Samples

(8) £80,99
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Klein Bottle

Klein Bottle

(7) From £37,49
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Mini Magnetic Balls 3mm

Mini Magnetic Balls 3mm

(7) £24,99
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Euler's Disk

Euler’s Disk

(5) £102,99
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Mini Stirling Engine

Mini Stirling Engine

(7) £50,49
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Rope Launcher Toy

Rope Launcher Toy

(8) £29,49
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Salvador Dali Wall Clock

Salvador Dali Wall Clock

(7) £27,49
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Reverse Hourglass

Reverse Hourglass

(7) £32,49
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Low Temperature Stirling Engine Coffee Cup

Low Temperature Stirling Engine Coffee Cup

(6) £59,99
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Flat Sand Timer

Flat Sand Timer

(6) From £29,99
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Brain Teaser for Adults Hard

Brain Teaser for Adults Hard

(7) £67,99
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Storm Globe

Storm Globe

(8) £72,99
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Space Projector

Space Projector

(8) £59,99
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Brain Teaser Puzzle Box

Brain Teaser Puzzle Box

(8) £37,49
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Gyroscope Fidget Spinner

Gyroscope Fidget Spinner

(7) £72,99
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Large Plasma Ball 8 Inch

Large Plasma Ball 8 Inch

(9) £82,99
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Binary Watch

Binary Watch

(5) £32,49
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High Power Stirling Engine

High Power Stirling Engine

(7) £98,99
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Firework Lamp

Firework Lamp

(5) £37,49
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Perpetual Motion Kinetic Art Science Toy

Perpetual Motion Kinetic Art Science Toy

(7) £32,49
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Lock Brain Teaser

Lock Brain Teaser

(5) £25,99
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Antique World Globe

Antique World Globe

(8) £42,49
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Super Precision Gyroscope with Electric Motor

Super Precision Gyroscope with Electric Motor

(8) From £192,99
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DIY Tesla Coit Kit

DIY Tesla Coit Kit

(9) £102,99
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Wooden Brain Teaser Puzzles

Wooden Brain Teaser Puzzles (9 Pcs)

(6) £42,49
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Magnetic Balls Fidget 512 Pieces (5mm)

Magnetic Balls Fidget 512 Pieces (5mm)

(8) £55,99
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Single Hand Watch

Single Hand Watch

(8) £32,49
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Wooden Perpetual Calendar

Wooden Perpetual Calendar

(9) £65,99
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Chinese Brain Teaser

Chinese Brain Teaser

(5) £29,49
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Stirling Engine Design UFO

Stirling Engine Design UFO

(6) £77,99
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Cryptex Puzzle

Cryptex Puzzle

(7) £62,99
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Rotating Hourglass

Rotating Hourglass

(5) From £59,99
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Solar Stirling Engine

Solar Stirling Engine

(7) £63,99
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3D Ball Maze

3D Ball Maze

(8) £25,99
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Levitating Globe

Levitating Globe

(6) £50,49
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World Globe Light

World Globe Light

(7) £62,99
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Origami Infinity Cube

Origami Infinity Cube

(6) £21,99
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Mini Tesla Coil

Mini Tesla Coil

(7) £102,99
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Galaxy Night Light Projector Infinity

Galaxy Night Light Projector Infinity

(6) £92,99
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Swinging Sticks

Swinging Sticks

(2) £137,99
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