What can I buy with ₡198.60

You can buy one of the following:

Magnetic Mosaic
Arts and craft for £13 (₡174.40) from hawkin
VamPETS - Wereroach
Toy for US$19.99 (₡174.90) from vampirefreaks
Charm Chains
Arts and craft for £12.99 (₡174.30) from hawkin
Nightmare Nursery - Mortis Zombie Baby
Toy for US$19.99 (₡174.90) from vampirefreaks
Enough 1p coins to cover your body
Cover your body with a single layer of UK one penny coins in hexagonal close-pack formation for £12.58 (₡168.90)