Build a Hand Crank Doorbell Kit
Children will be able to create their own doorbell with this amazingly cool DIY construction kit from Koa Koa.
They can use the gears, bike bell, screws, washers and nuts to build their own working doorbell for their room!
A great way to help kids learn vital STEM skills, without them even realising their learning.
Once it is all put together, they can even can paint and wall mount their new doorbell.