A Tetris block light.Rene Johnston—Toronto Star/Getty Images Entrepreneur The 1988 Las Vegas Consumer Electronics Show (CES) was the main showcase for new electronics and video games. It featured ...

Meet Light Stax, the stackable light-up building blocks that can double as a DIY lamp or night light. SEE ALSO: This stackable Tetris lamp can brighten up your desk Similar to the technique of ...

With their square block-like shape, the lights can be connected together into whatever design you like, although personally, I think they look most impressive when stacked like Tetris blocks.