Nelson and Kenny believe they have no choice. They must use grandma's latest invention (without asking her permission...). Grandma really developed her most amazing invention - a glove that turns toys into animals or real people! But when the glove goes missing, Nelson and Kenny must find a way to get it back, before an army of evil toys takes over the town. How will they do it? Ninja Boy, the hit series written by Anne Doe, was a resounding global success. Ninja Boy - Ninja Toys! It is the seventh book in the series.