Has the summer weather inspired you to get out and about with your little one? Our intrepid testers, aged 18 months to eight, spend a day in the park helping us try out everything from infant seats to trailers to cargo bikes - even a distinctly eccentric tandem-meets-recumbentBurley D'Lite and Weeride Safefront Deluxe supplied by Evans Cycles Nihola cargo bike and Hase Pino Half Recumbent supplied by London Recumbents