These are the most clever inventions of all time. These are fascinating photos that show the specialist tools, which look complicated at first but actually serve a very useful purpose.

  • Even everyday items that simplify our lives can seem very strange at first glance
  • Rocket Science has compiled some bizarre gadgets
  • This includes anything, from a tree-mover down to fake flesh for surgeons in-training

Whether it’s a kitchen appliance that makes food prep quicker or a useful DIY tool, we all have our favourite gizmos and gadgets that make life that little bit easier.

Some clever inventors went one step further and created some amazing feats, including refuelling helicopters in mid-air or moving entire trees intact. 

Rocket Science blog compiled some of the specialist tools from around the world that ‘look confusing at first glance’ but are incredibly useful in everything from practicing surgery to protecting babies from inury. 

We have compiled a list of some of the strangest, most practical gadgets and inventions.

This pad mimics human flesh, which allows medical students to practice incisions and stitching of different shapes of wounds

The pad is modeled after human flesh and allows students in medicine to learn how to make wounds.

This backpack is designed to protect a baby's head, with the circular 'head' of the bee perfectly fitting the back of their skull if they were to fall back

This backpack was designed to protect the baby’s head. The bee’s circular head fits perfectly into the skull of the child’s back if they fell back.

In order to re-fuel while in the air, military helicopters use a device known as a Role Fit Probe so that they don't have to waste time landing and taking off again

Military helicopters can refuel in air using a Role Fit Probe. This allows them to land quickly and take off again. 

This specialist cleaning machine helps make sure the street signs are spic and span so that drivers can see them clearly

This machine cleans street signs to ensure that they are visible by drivers. 

When trees have to be moved from one place to another, they can be dug up by a giant hydraulic spade and transported with the roots intact to be planted elsewhere

Trees can be lifted by hydraulic spades to move them from one location to the next. The roots are then preserved for planting elsewhere. 

These are special scissors to help train children on how to use the tool - the extra hole either side is for an adult to put their fingers in too, as well as rounded ends to keep the child safe

These special scissors are used to teach children how to use the tools. The extra hole on either side allows an adult to insert their fingers.

This seat belt is designed for pregnant women to help car travel much more comfortable, and prevents their bump being squashed if there's an accident

Pregnant women can use this seat belt to improve car travel comfort and protect their bump from being crushed in an accident. 

For those who prefer to sit cross-legged on their seats, this is for you - with either two layers or one ultra wide seat, this desk chair is perfect for getting comfortable at work

If you prefer to be cross-legged, the desk chair has the right seat for your needs. This can come in either one or two layers.

The 'Barnacle' is a parking enforcement implement used in the US, which stops people from driving until they pay their parking fines, and it stuck on the windshield with suction pads

A parking enforcement device used in America, the ‘Barnacle’, stops drivers from driving until they have paid their parking fines. It is stuck to the windshield using suction pads.

This lift was designed for disabled people who are wheelchair-bound to be able to get into tall trucks like this one, providing a safe way to get in and out of large vehicles

This lift is for people with disabilities who need to access tall trucks.

It looks like a giant sweetcorn, but these cows are are scratching themselves on a cow brush that helps keep the cattle clean and free of parasites - as well as have a general scratch

This cow looks like it is eating a lot of sweetcorn. But these cows scratch their bodies on a cow brush. The cow brush helps to keep cattle clean and prevents parasites from developing.

Little and large: This is a massive Allen Key, also known as a Giant Allen Wrench, and is used for driving bolts and screws into a hexagonal socket, but this is designed for industrial machinery

Little and large: This is a massive Allen Key, also known as a Giant Allen Wrench, and is used for driving bolts and screws into a hexagonal socket, but this is designed for industrial machinery

This snow-clearing machine in the US helps larger vehicles like buses and trucks save a lot of time by removing the snow off the roof

The snow-clearing machine is used by larger vehicles such as buses and trucks in America to remove snow from the roof.

This is a nitrogen dry shipper, and transports cryo-preserved stem cells and vaccines safely

It is a nitrogen dry carrier and safely transports cryopreserved vaccines and stem cells.

These are called baffle balls, and are put inside water containers when transporting water from one place to another. They stop water slopping from side-to-side when travelling

These balls are known as baffleballs and they are used to stop water from slipping when water is being transported. When you’re travelling, they stop water from sliding sideways.

This is a titanium-coated butter knife that has special copper alloy heat tubes to help butter spread easier on your bread - and heats up when in your hand

This titanium-coated butter knife has heat tubes that are made from copper alloy. It makes butter spread faster on bread and also heats up easily when it is in your hands.

This wall-vacuum is really a shoe-dryer... you switch on the heat and put the pipes into the shoes and the shoes will dry quicker than on the radiator

Wall-vacuum can be used as a dryer for shoes. Simply turn on heat and place the pipes inside the shoes. Shoes will dry much faster than they would on the radiator.

This device put on the front of cars was made in 1927 in Berlin, Germany, to catch people walking across the road when not at a crossing

In Berlin, Germany in 1927, this device was placed on cars’ fronts to capture pedestrians crossing roads.

Industrial machinery often has tires that can deal with the extreme heats from sites like steel mills, and can deal with temperatures of 2000 Fahrenheit and above

Many industrial machinery has tires that are able to handle extreme heat from places like steel mills. They can even withstand temperatures as high as 2000 F.

This is a label maker, which helps you to note what is in the bottles and the best-before dates

You can use this label maker to help you note the contents of the bottles, as well the best-before dates.

This handy tool is for those with air conditioning - it is a fin comb that straightens the fins of an air conditioning unit or heat pump system to help keep the air flowing properly

This tool is ideal for air conditioners. It is a fin-comb which straightens fins on heat pumps and air conditioning units to keep them flowing.

This is a Velometer, which measures the airspeed in a specific area, ensuring adequate airflow

It is also known as a Velometer. This measures airspeed within a particular area to ensure adequate airflow.