The best selection of riddles and answers, for all ages and categories
I am needed for most animals and hardcover books. What am I?
Turn me on my side and I am everything. Cut me in half and I am nothing. What am I?
Things here are usually tagged with red stickers. What am I ?
I can be dropped from the tallest of buildings and survive, but drop me from the smallest ship and I won't. What am I?
What can be measured but has no length, width or height?
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