The kit will still function without the rubber/foam trigger however, I would recommend purchasing a new pedal if you wish to do so to avoid damaging the drum itself. The damage can be seen in the image. Everything else is in good condition.
This item is in the category "Musical Instruments & DJ Equipment\Percussion\Drums\Drum Kits". The seller is "ltaylor84116-7" and is located in this country: GB. This item can be shipped to United Kingdom.