Ossicones and oxygen

Electric playdough infinity mirror

Frozen red cabbage indicator

Update on the broad bean

Cleaning two pence coins

Cleaning up colourful milk

Sidney the Shield Bug

Electric play dough - a bit more explanation

Yeast and making bread

Kaleidoscope

Play dough traffic lights

Finding conductors with a play dough circuit

Bright and dim play dough lights

Electric play dough