The simple design and bright colors are perfect for sparking any imagination, and it feels great to challenge kids with this tangram jigsaw puzzle but also to just take on an easy challenge that you can complete differently every time. Perfect for times when you or your child just need to calm down or relax.

The puzzle boards show a fish or a house, a dog or a kite, a bird or a butterfly, a boat or a fire engine, and a flower or a steam engine. Use the pieces to fill in the missing parts of each picture or to make free-form patterns.

Exercises in the accompanying book introduce basic arithmetic equations involving addition, subtraction, equivalent sums, and multiple numbers. The decorated puzzle blocks allow children a fun, hands-on way to work out 100 write-on/wipe off math puzzles in the book. Other math concepts introduced: measurement, estimation, number, letter and symbol recognition, and simple logic.

Helps children learn how to group and categorize objects by exploring differences in shape, size, and color. Recommended for ages 2 and up. This kit includes the following: a book titled My Very First Book of Colors by Eric Carle ; a book titled My First Colors: let's learn them all by Sarah Davis and Dawn Sirett ; 1 wooden stacking rainbow puzzle, 1 set of Baby's first blocks; an activity guide with recommendations for using the kit. All items are packaged in a clear backpack with a contents list included.

A journalist and aspiring "speedcuber" attempts to break into the international phenomenon of speedsolving the Rubik's Cube--think chess played at the speed of Ping-Pong--while exploring the Cube's rise to iconic status around the globe and the lessons that can be learned through solving it. When Hungarian professor Ernő Rubik invented the Rubik's Cube (or, rather, his Cube) in the 1970s out of wooden blocks, rubber bands, and paper clips, he didn't even know if it could be solved, let alone that it would become the world's most popular puzzle. Since its creation, the Cube has become many things to many people: one of the bestselling children's toys of all time, a symbol of intellectual prowess, a frustrating puzzle with 43.2 quintillion possible permutations, and now a worldwide sporting phenomenon that is introducing the classic brainteaser to a new generation. In Cracking the Cube, Ian Scheffler reveals that cubing isn't just fun and games. Along with participating in speedcubing co