Robert Law pitched the children's ride-on suitcase Trunki on the British television show Dragon's Den.
Law appeared on the programme seeking investment for Trunki, a hard-shell children's suitcase that can be ridden like a small seat while travelling. The product was based on an earlier ride-on concept and was designed to make airport and journey time easier for young children and their parents.
The pitch became famous because the Dragons did not invest, even though Trunki later became a commercially successful product. The episode is frequently used as an example of the difficulty of predicting a product's long-term market from a short presentation.
Trunki should not be confused with an ordinary wheeled children's suitcase. Its defining feature is the ability for a child to sit on and ride the case, while its practical purpose remains carrying belongings during travel.