Colour towers
Colour towers is a digital take on the classic ball sorting puzzle. Balls of several colours start mixed up in tubes, and there is always one empty tube. You pick up the top ball and drop it into another tube until every tube holds just one colour. Both teams start with exactly the same mix, so the race is fair.
What children practise
- Sorting by colour and checking that each set is complete.
- Planning: using the empty tube to free up a full one.
- Following a movement rule: only the top ball can move.
- Thinking several steps ahead before dropping a ball.
- Logical reasoning with a stricter rule: in classic mode, only onto the same colour.
Levels and settings
Easy
3 colours and the easy rule: a ball fits in any tube with space.
Medium
4 colours, still with the easy rule.
Hard
5 colours and the classic rule: only onto the same colour or into an empty tube.
Balls per colour
3 in Early years and Y1; from Y2, 4, 5 or 8 depending on the difficulty.
Settings
3 to 8 colours and 3 to 8 balls per colour, always with one empty tube.
How to play it in class
- Open Colour towers and choose the year group and difficulty: colours, tube height and rule adjust themselves.
- Play in teams, with the same mix on each half, or solo.
- Drag the top ball to another tube, or tap one tube and then the target tube. If it does not fit, the game says so.
- The first team to leave every tube in a single colour wins.
Ways to play
In teams, at the same time
The screen splits in two and each team plays on its own half at the same time.
For one player
One child plays on the whole screen at their own pace: on the whiteboard, a computer or a tablet.
Frequently asked questions
What is the difference between the easy and the classic rule?
With the easy rule, a ball can go into any tube with space. With the classic rule, only onto a ball of the same colour or into an empty tube, which is much harder.
Do children have to drag with a finger?
No. They can also tap the starting tube and then the target tube, which is easier on some whiteboards.
Is it suitable for Early years?
Yes. In Early years the tubes hold 3 balls per colour and, on Easy, there are only 3 colours with the easy rule.
Is it free?
You can play 5 free games without signing up. After that, a one-off payment of €9.99 unlocks all 78 games for ever, on all your devices. There is no subscription.
Do I need to install anything?
No. It opens in the browser of the interactive whiteboard, panel, computer, tablet or iPad. Once loaded, it also works offline.
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