Intex product user manual Challenger 3 Boat Set, (68370NP, season 2025) Manual Installation and Setup Maintenance and Service Operation and Usage Troubleshooting User manual, in which you will find all important information on using your Intex product. (Challenger 3 Boat Set, 68370NP, season 2025) Downloads User manual for 68370NP EN 2024 pdf, 2.9 Mb