Unlike regular building blocks, the Light Stax has a powered base to build from which means blocks cleverly light up when connected to one another. The starter set contains 12 blocks in various colours, and can be set to solid light, flashing or gentle fading. Includes 12 individual coloured building blocks and a power base. We all know that Its impossible to resist playing with building blocks, but how about building block that light up; ; Thats right, with the RED5 Light Stax you can now build your favourite creations and even enjoy your handy work in the dark. A great way to boost creativity and imagination. Perfect to use as a night light. Size H26, W6, D6cm. Suitable for people with epilepsy. Suitable for age 3 years and over. No wiring required. Bulbs required: 1 x (included). Batteries required: 3 x AAA (included) .