Complex sentence: Made of heavy duty plastic and a rubber tip, the turbo javelin is very safe and ideal for indoor practice, and makes a good substitute for younger throwers as the official javelin can be dangerous.
Split into simpler sentences: Made of heavy duty plastic and a rubber tip, the turbo javelin is very safe and ideal for indoor practice. The turbo javelin is also a great substitute for younger throwers as the official javelin can be dangerous.