Fans of CW’s DC TV universe may have to wait until spring 2017 to see Kara use her inter-dimensional extrapolator again. At the end of last night’s “Legends of Tomorrow” “Invasion!” episode, Cisco ...

18 x 14 in. (45.7 x 35.6 cm.) ...

The Tribophysical Waveform Macro-Kinetic Extrapolator, also known as Pan-Dimensional Surfboard was a long, flat device that could protect its users with a protective bubble.

Kara (Melissa Benoist) may use her inter-dimensional extrapolator again for the previously announced “The Flash” and “Supergirl” musical crossover that is set to air sometime in spring 2017. The CW ...