Count forwards and back with these bunnies as they enjoy some springtime fun.

Violet loves math, and she always finds tasty ways to practice. Help this funny puppet friend make a pattern!

"Innovation and creativity come together to help kids build new things, solve problems, and explore the world around them. Design everything from bridges to new creatures; Learn about basic programming; Develop logical thinking and problem-solving skills; Explore music and instruments."--Publisher description.

Diverse animals, led by two rough, tough rhinos, work together to transform an old mall into a zoo--including the bugs the rhinos said were too small to count.

"A look at the numbers that surround us, big and small, on earth and in outer space."--

From the days of her childhood in the 1950s Midwest, Katherine knows she is different and that her parents are not who they seem. As she matures from a girl of rare intelligence into an exceptional mathematician, traveling to Europe to further her studies, she must face the most human of problems: who is she? What is the cost of love, and what is the cost of ambition? These questions grow ever more entangled as Katherine strives to take her place...