SECONDS: The C Cube Size:Original SECONDS:This new and improved colour-changing

SECONDS:This new and improved colour-changing puzzle delivers the same unique magic you expect

Aeternus Aenigma Series Monochromatica

Enjoy learning and exploring geometry at an unbeatable value

and curiosity collide: the elusive Aeternus Aenigma 500-piece puzzle

The Collection Mysterium brings together the full CMY universe: subtractive colour mixing in its purest form

SECONDS: The C Cube Size:Original SECONDS:This new and improved colour-changingSECONDS: The C Cube turns an everyday object into a captivating experience. These seconds are just as vibrant and mesmerising as ever, with only the packaging being imperfect or in a different style.