Quack! is a 15-minute outrageously silly, repetitious reinforcement video. Each one has been made for use in your high school classroom. After you explain the concept, just pop in a Quack! Reinforce the tricky stem-changing verbs with this hilarious and entertaining video loaded with examples and explanations of the concept. span style=”color:#FF0000;”Download the free video quiz located in “Additional Info.”/spanCopyright 2006. 15 minutes. Spanish. High school level. Video Download: MP4.Video DVD: DVD.br /The activity packet features activities created in the crazy Quack! style. Activities include fill-in-the-blanks, multiple mistakes, and brain regurgitation. The packet works great in conjunction with the video, but can be used alone. Of course, the packet comes with the Quack! EXTREMELY SILLY warning ……. er, guarantee. Copyright 2006. Spanish. High school level. Reproducible.Activity Packet Download: PDF. Adobe Reader required to view PDF.