Ice Boats Water Play

BY ON Mar 29, 2012



Ice Boats Water Play:  Water and ice are great for sensory play with kids as it engages children into a world of exploration and wonder.  To make our water and ice sensory play experience a little more fun we turned the ice blocks into boats with a few simple materials.

There is so much science to be explored with water and ice!


What you will need? 


You will need food colouring, straws, sticky tape and craft foam for the sail as it is water proof and light.  You will also need containers for freezing the water in; I reused some empty yoghurt containers and just cut the height down to size.  I added yellow and red food colouring to the water to make this sensory play a bit more interesting.

  • You can basically use any materials to make the sail for the boat but do keep in mind that it needs to be light and well balanced with the size of the ice boats as the sail can flip the boat upside down if it is too heavy.
  • I added the straw sails to the ice boats when they were partly frozen.  You could alternatively use blu tac or plasticine at the bottom of the container when adding the water.

Let’s Play


My girls were very excited about playing with their ice boats.  They helped to fill a large container full of water and set their boats to sail.

  • This activity is great for encouraging countless science related discussions about ice and water, floating and sinking, liquid and solids.  Exploring questions such as why do you think water expands when it is frozen?  Why do you think ice floats on water?

Let’s Learn


Watching in amazement as the ice boats melt and mix the red and yellow food colouring together.  This is a great way of also looking at colours and mixing them together to create new ones.   I would love to use blue and yellow next time!!


When the ice boats were all melted – my girls all jumped in!!  That is what sensory play with water is all about?  The water was a tad cold from the ice though!


A bit of factual information: Why does ice float on water?

Without going too deeply into the chemistry of why ice floats on water, here is a very basic explanation:

  • When water is frozen, it increases in volume or expands and decreases in density, which makes it much lighter than its liquid form.  As water becomes colder and begins to freeze there is a change in the unique molecular structure of hydrogen and oxygen that allows it to float.


A great follow on activity to this would be Painting with Ice –  Paint Pops


I am sure you all understand why I am mentioning this but I cannot stress this enough: please always supervise and watch children when playing with water!


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15 Responses to “Ice Boats Water Play”

  1. Love how they all jumped in at the end!
    If you go to EARLY PLAY AUSTRALIA you will see how many times you have been added in the Easter Round Up of Activities

  2. abbie says:

    This is so fun! I love this idea and cannot wait to try it out with my girls. Thanks so much for sharing with the outdoor play party.

  3. What a wonderful idea!! I am going to try this very soon! Thank you for sharing at the Outdoor Play Party, and I hope you come back again on Friday to share more outdoor play ideas.

  4. Lee says:

    I love the boats :) I have done the drawing with ice cubes but didn’t add sticks so the children had to hold on to the slippery cubes lots of laughing. Have you made the clear ice block (ice cream container) make small holes to add cracks in the ice and using droppers and coloured warm water, as the ice slowing melts away and the colour moves into the cracks, I used blue and yellow and as it mixed to green looked really cool and the preschoolers played with is for ages. Hope it is ok to add ideas.

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  7. Ariadna says:

    We are preparing ice boats for the party we make at the school this afternoon. A great idea!!! And A great website! Regards from Catalunya.

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  10. lukman says:

    Just did the salt tray. Freezing my ‘ice-boats’ now, for a weekend activity. I did find it hard to stick the stick into the ice.

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