|
eBook: Brain Strain (Ages 9-14) Originally published in ODYSSEY science magazine, these 73 puzzles meld art, science, mathematics, computers, and much more in an attempt to expand your mind. Each illustrated teaser requires no specialized knowledge to solve, just the willingness to stretch your abilities! Sale price: $2.99 See product details. |
|
eBook: The ASK Big Book of Mad Scientists and Alchemy (Ages 7-10) Uncover the amazing true history of the alchemists, and join the world's most inquisitive people as they tackle nature's deepest mysteries: How big is the Earth? What's the smallest thing that exists? Can we see the edge of the universe? Sure to delight, and inspire the curious child in everyone. Sale price: $4.99 See product details. |