You, Kifaru and the Mud Problem (Children's Picture Book): Insert Your Name Interactive Book (Paperback)
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An African hippo gets his foot stuck in the mud, and lots of animals try to help, but even the biggest and strongest is unable. The hippo needs your help to get free.
Your child will delight in this interactive book, which makes them the hero of the story--the child's name and gender can be written in the blank spaces provided. The moral of the story is learning to use your intellect--and engineering knowledge--rather than brawn to solve this sloshy, mucky problem.
There's some information about the concept of leverage, a group game and a comprehension questionnaire at the end.