Lego models aren’t often constructed in primary colours these days. However a quick look back through our Review Library reveals that once-upon-a-time primary colours were very much in vogue. Due mostly to the fact that other hues were not available, but still.

Today’s find takes us back to the era of crayon-coloured Lego models, being this glorious primary-coloured Mack Superliner 6×6 RC by Flickr’s spongebrickpl, and it makes us think that basic colouring is due a resurgence!

There’s more to see of spongerbrick’s blue, yellow and red Mack Superliner complete with Power Functions six-wheel-drive, pendular suspension and remote control steering via the link above, and if like the Elves you’re still learning your colours, this scientific explanation may help…