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3 steel spikes with one of them having red and blue discs attached.

The minimum number of moves required to solve a Tower of Brahma puzzle depends on the number of discs being used.

8+ Exhibits Exhibit
A close up of a wooden clothes peg with two pieces of copper wiring wrapped around each peg leg.

Sound is made by vibrations.

5+ Experiments and activitiesVideos
Two hands holding a paper cup and a toothpick.

 Sail the soapy seas with this activity full of high and low surface tension.

5+ Experiments and activitiesVideos
A young woman named Olivia leaning on a unpainted rocking horse holding a wood filing tool.

Olivia O'Connor is a craftswoman who owns her own business creating beautiful rocking horses. She hand carves, leatherworks and paints the bespoke toy in the traditional way.

All ages Articles
A snowflake shaped crystal made from white pipe cleaners with small crystals attached.

Dreaming of a white Christmas? Use Epsom salt and water to grow your own "snowflake" decoration and observe how crystals form.

5+ Experiments and activities