Interactive whiteboards ("Smartboard" is a trade name) are popular, but also pricey. Watch this to find out how to make one for $50—notionally £25, but I'm sure more than that in practice. 80% of the functionality for around 1% of the price, the inventor claims. (Laptop and projector not included.)
And go to the link in the header of this post for more of Johnny Lee's inventions, including a steadycam mount for $14 (£7)
Education is often hijacked by suppliers who foist "must-have" electronic gizmos on us (like interactive whiteboard) soaking up resources which could be spent better on much less glamorous items, like books (heard of them?) It's a delight to find the spirit of improvisation is not dead, and that even an under-funded community project can have the latest stuff.
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