Touch-Sensitive Show of Multi-Colored Lights This Plasma nebula lightening ball is powered by a 6-foot plug in cord. This 7.75" plasma ball is a great piece of decor for your bedroom, living room, office, or anywhere else! It'll create a super cool science like atmosphere. These Plasma Balls are perfect for your next party! They can easily be moved to create an awesome atmosphere everybody will love. Choose between our Red Plasma Lamp or Blue Plasma Lamp! - Ages 12+ Touch-Sensitive Show of Multi-Colored Lights. This Plasma nebula lightening ball is powered by a 6-foot plug in cord. This 7.75" plasma ball is a great piece of decor for your bedroom, living room, office, or anywhere else! It'll create a super cool science like atmosphere. These Plasma Balls are perfect for your next party! They can easily be moved to create an awesome atmosphere everybody will love.