Bull shark pro kreepy

I recently bought a bullshark pro kreepy from Makro on recommendation of a swimming pool shop owners recommendation. What a piece of ****. The thing is so unstable and cant even climb walls. My brother in Welkom bought one to without knowing I bought one. He has already spend over R600 on weights and attachments to try and get the thing working properly but to no avail. It is a very expensive pool decoration but thats all its good for- dont buy this product unless you need decor.