Goosebumps Monster Blood III Reader Beware You're In For A Scare (P)

Evan can't stand babysitting for his cousin Kermit. All Kermit likes to do is play mean tricks on Evan and his friend Andy. But Evan and Andy know just the thing to teach Kermit a lesson. Okay they swore they would never open another can of Monster Blood. Not after what happened last time. But it can't get out of control if they only use a tiny bit, can it?