Serotonin novelty nest from small to big

nest from small to big

they are used to demonstrate the polarisation of light and double refraction

This sensory tube is a mesmerising tube that can be flipped and listened to over and over again

Eight different

Billions of people a year catch the cold

Serotonin novelty nest from small to bigSerotonin is a neurotransmitter that plays a role in mood, memory, sleep and cognition. This fun Serotonin plush is based on the shape of the actual molecule and includes a swing tag with some fascinating facts. A great gift for students, doctors, nurses, teachers, scientists and anyone with a healthy sense of humour. Size: 19cm x 12cm x 5cm approx.