The Bugaboo Butterfly wheeled board + lets you head out with another child in tow, and attaches to your pram in just a few clicks (adapters may be needed).. For toddlers from approx. 2 years old until they reach 20 kg. Let your child ride seated with the detachable seat. Flip the board to the left or right and have some extra walking space for you. Easily switch between 3 positions: riding, half up or fully up. Fits perfectly with the Bugaboo Butterfly, no adapters needed