18 julio, 2024

The 7 Most Outstanding Heat Operated Toys

The heat operated toys they use the basic principles of energy transformation through various processes or reactions based on physics and chemistry. Science and technology have made great advances in energy matters to contribute to the development of the human being.

Through the different types of energies existing in the world, technology has evolved and has developed high quality devices, machines and tools. Contributions have been made both in devices used at home or in industry, as well as in the field of toy manufacturing.

Technology currently contributes to children and adolescents, giving them the possibility to enjoy a wide variety of options that use energy transformation processes. With this they create fun objects that serve to learn.

List of toys that work with heat

1- Cars that change color when in contact with hot water

Companies that are at the forefront of manufacturing toy racing tracks and cars are always innovating to keep children interested in their products.

Currently they have created pieces that change color when in contact with warm or hot water.

These manufacturers use the principles of thermochemistry. The toy’s paint, when it comes into contact with warm or hot water, produces an endothermic reaction that generates a color change.

2- Dolls that change color when submerged in water

Innovation in the manufacture of toys covers the doll sector. Manufacturers have come up with countless doll models whose outfits change color when immersed in warm or hot water.

The principle that manufacturers use is the same as in the previous case. The paint present in the fabrics of the fabrics is altered on contact with heat and an exothermic reaction is generated. This reaction happens when the fabric dries.

3- Solar robot that transforms into different objects

Alternative, clean and renewable energy is also used to make toys, like this robot that can transform into six different toys, each one moving and free from the use of batteries.

The toy manufacturers added photovoltaic cells to the model, with which they transform the radiation of the Sun to generate the electricity required by the motors that generate the movement.

4- Wooden airplanes that move their propellers

The classic wooden toy was modernized. For this, manufacturers incorporate solar panels and motors into the traditional design.

These devices are strategically placed so that the toy does not lose its old characteristics.

Solar panels capture light and heat to generate the energy needed to move the propellers.

5- Steam robot

These toys are out of the ordinary. They may become collectible and not suitable for children. They run on steam and some use coal, like the trains of centuries past.

To generate steam and movement, they use the basic principles of the laws of thermodynamics.

6- Heatable stuffed animals

There are stuffed animals adapted to be inserted in the microwave and that, when heated, maintain the heat in their texture and thus the children feel that heat in their bodies. They are normally made of polyester fiber and usually give off a pleasant smell when exposed to heat.

6- Rockets

According to the different regions they are known as rockets, firecrackers, flying cane, artificial fire, cannon, little onion, etc. It is a pyrotechnic item used mainly at parties, birthdays, Christmas and other festivities, being very popular among children and adults.

For it to work, combustion must simply be applied to the wick, generating an explosion due to the gunpowder inside.

Although it is very common to see children exploiting these items, their use is not recommended for them, since it could cause damage if it is handled or the appropriate precautions are not taken.


Alfonso Aranda Usón, IZ (2009). Solar thermal energy (Renewable Energies Series). Spain: Presses of the University of Zaragoza.
David Pimentel, PM (2007). Food, Energy, and Society, Third Edition. New York: CRC Press.
Olle Elgerd, P.v. (2012). Electric Power Engineering. Springer Science & Business Media.
VILORIA, JR (2013). Renewable energy. What you need to know. Spain: Ediciones Paraninfo, SA
Weber, KM (20112). Innovation Diffusion and Political Control of Energy Technologies: A Comparison of Combined Heat and Power Generation in the UK and Germany. New York: Springer Science & Business Media.

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