The streamlined, shuttlecraft profile always looks like it is going somewhere fast. Under its hover board base, five lockable carpet casters allow easy freedom of placement. Each Quark2 Series top is supported by a ratchet height adjustment column that is easily lifted in twelve steps from sitting height to standing. The lowest position is the ergonomic standard for keyboard use. The Qstar has docking placement for five Quark2 units. A set of 5 Quarks and a Qstar is a complete Active Learning Group of 5: Qstar5.