Eurolite B-55 Bubble Machine, Mini Bubble Machine For Battery or Mains Operation, Rotating wheel with 9 rings takes up the bubble fluid, On / off switch, Extensible handle, Matching power supply is included, Operation via AC adapter or optional batteries, Power supply: DC 3 V 3 V DC 800 mA power supply or 2 x 1.5 V LR14 AA cells, Power: 4 W, Dimensions (L x W x H): 227 x 194 x 152 mm, Weight: 0.7kg