Technology for Fun

Below are a selection of parts used in the projects, along with suggested part numbers and suppliers.


When purchasing batteries (cells) it is recommended to use zinc chloride ones (available from discount stores) rather than alkaline or rechargeable ones which can get very hot if accidentally short circuited.


When purchasing from Spiratronics you can use the 10% Technology for Fun discount by inserting discount code TFF10 at checkout.

Parts and suppliers


Crumble contollers are available in the UK from Redfern Electronics and in the US from

Copyright Caroline Alliston 2021