Scream your heart out and let the race begin! Compete with your friends on these colourful longest waterslides Insane Racer rides in our water theme park. Who will reach the bottom first? Insane racer is a 6-lane fast speed mat ride where the riders sprint head-to-head and side-by-side down the multi-lane racing water slide. A children-friendly slides in Bangi Wonderland. It’s definitely worth your time spent in Bangi Wonderland.