The build comes in at a cool $64.99. It may seem a little pricey for a build that only includes 18 bricks. However, for an actual light-up build, it’s probably worth it. a LEGO flux capacitor build ...

Now you can build your very own flux capacitor. Even though you can't time travel, you can still create a time-travel device with the Flux Capacitor with Animated LED Lights Kit.

The kit features 18 LEGO bricks, a pre-assembled circuit board with LED lights, a battery pack featuring the on/off switch, and an assembly instruction packet, complete with illustrations.