Science Mad Crystal Growing Kit
Science Mad Explorer Globe
Science Mad Chemistry Lab
Science MAD! Volcano Wonder
Science MAD! Potato Clock
Science MAD! Crystal Wonder
Science MAD! Paper Cup Speaker
Learn how to convert electrical signals into sound waves, by using a simple paper cup transducer.
Learn how to convert electrical signals into sound waves, by using a simple paper cup transducer
Postage Included - UK Mainland only
Only 4 left
Warnings: Not suitable for children under 8 years. For use under adult supervision.Contains some chemicals which present a hazard to health.