| Produces 3000°C hot sparks! |
| | | Will this disc ever stop spinning? |
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| A robot fit for the circus! |
| | Gently shake, to create the sound of thunder! |
| | Build your foundation in architectural design with this fascinating STEM experiment kit... |
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| This STEM kit helps you to learn all about simple machines... |
| | Learn the basics of structural engineering with a series of 20 model-building experiments |
| | A 'Z Classic Wind-Up' from California Creations... |
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| Watch in amazement as the marbles bounce across a series of trampolines... |
| | Build your own wooden slot-together climbing robot. |
| | Build this wooden construction lit, and gain insights into how a differential gear works. |
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| A puzzle box created by Jean Claude Constantin - one of the world's puzzle masters! |
| | For centuries, puzzle boxes have been used to pass secret messages and small precious items. |
| | A puzzle box with 5 star difficulty! |
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| A set of 3 puzzle boxes created by Jean Claude Constantin - one of the world's puzzle masters! |
| | A beautifully crafted Gyroscope and spinning top. |
| | A latex glove, dry fillers and reduced air pressure deliver this amazing and thought-provoking demonstration. |
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| The Pendulum kit is designed to serve as a learning tool rather than a puzzle... |
| | This wooden construction kit contains everything you need to build a working model of a 4-speed gearbox |
| | Instantly captivating, the award-winning ‘Engenius’ Double Marble Run has proven to be an instant success. |
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| An example of a coupled mechanical oscillator... |
| | Is it a spring? Is it a pendulum? |
| | Abstract-2 - a new design of the GeoBender magnetic puzzle... |
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| Bees - a new design of the GeoBender magnetic puzzle... |
| | An engaging piece of animated paper engineering, which shows a ship and a giant sea monster! |
| | Transmit sound from your phone on a light beam! |
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| Charge it up and watch it go! |
| | This elegant bone china mug features Tim, together with some references to the Nile!
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| | Turn the handle to watch the Dinosaur walk and ROAR! Darwin the cat gets a bit scared by the roar and disappears down the chimney. |
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| An elegant, transforming geometric puzzle, based on the Yoshimoto Cube. |
| | What is surprising about this lamp is that as long as it is lit, the candle flame rotates while it burns. |
| | A fascinating demonstration of the conversion of kinetic energy into heat energy! |
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| This simple heat engine has no moving parts, and the top will spin as long as there is heat from the candle. |
| | An ice cube melts extraordinarily quickly and you are left with a small piece of ice that is heart shaped. |
| | This sophisticated pre-punched cardboard kit will enable you to build a working steam engine! |
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| This high quality cardboard construction kit allows you to build your own version of the classical high voltage generator. |
| | Inspired by nature, based on the Fibonacci Numbers and the Golden Angle, Helicone not only represents beautiful botanical structures but also... |
| | Nikola Tesla's valvular conduit is another one of his forgotten inventions. Invented in 1920 it has largely been overlooked. What is it? In simple... |
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| Watch the video to see the model that Tim made, using this kit. |
| | The Totally Glueless Magnificent Flying Machine is an automaton – a moving machine – which is made entirely from cardboard. |
| | With a quick twist, Lollipopter magically transforms from a 'swirl' to a 'burst' and back again in one amazingly elegant motion. |
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| To transform it, simply spin the handle and watch the magic unfold. To change it back, just spin it the other way. Intuitive, relaxing, fun, and addictive! |
| | With a quick twist, Lollipopter magically transforms from a 'swirl' to a 'burst' and back again in one amazingly elegant motion. |
| | To transform it, simply spin the handle and watch the magic unfold. To change it back, just spin it the other way. Intuitive, relaxing, fun, and addictive! |
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| The Leidenfrost Effect occurs when a liquid comes into contact with a hot object, with the correct temperature difference between the two. |
| | The sand timer floats at the top of the column of liquid. But turn it upside down, and now the sand timer does not float. What is happening? |
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