To activate the snowflake LEDs squeeze the knob on the battery pack once. This will be a still light function. Squeeze the battery pack again to activate the blinking LEDs. Toys play a crucial part in development of a child. Toys as simple as wooden blocks or numbered puzzle, develops cognitive and physical skills. Complex puzzles, remote control cars, bubble guns helps learn and analyse cause effects and spatial relationships. Babies tend to play more and more with such toys and make themselves happy. Children's attitude towards their toys nurtures them big way. Note:Although we try to use the best white LEDs available, the tone of the white LEDs will vary quite a bit from unit to unit. The shades of white are inconsistent; some appear more bluish than others.Specifications: Length: 28.50 in. LED Colors: 8 White Batteries: Includes 3 replaceable AG10 Batteries Weight: 0.15 lbs