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Overarch 2

Bricks are 20cm long and 10cm high. How high could an arch be built without mortar on a flat horizontal surface, to overhang by 1 metre? How big an overhang is it possible to make like this?

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High Jumping

How high can a high jumper jump? How can a high jumper jump higher without jumping higher? Read on...

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Balances and Springs

Balancing interactivity with springs and weights.

Well Balanced

Stage: 1, 2, 3, 4 and 5 Challenge Level: Challenge Level:1

A recent trip to a beach on the north-west coast of Scotland resulted in an engaging hour or so balancing pebbles. Exploring balance and centres of gravity can be great fun. The resulting structures can seem impossible.

Here are some images from Scotland to encourage you to experiment with non-breakable objects of your own.

Towering stones
Towering Stones

Picnic
Picnic

Birds of Prey
Birds of Prey