10-11 years

Brachiosaurus translated means "arm lizard". It acquired the name, because its front legs were significantly longer than its hind legs. As such, it...

Caution, road work ahead! Use the five tough excavating tools to unearth seven trucks buried in one massive dump truck. Find the crane, bulldozer, ...

It’s the revolutionary science study guide just for middle school students from the brains behind Brain Quest.     Everything You Need to Ace Scien...

Dig into dino-mite activities with tons of crosswords, sudokus, word searches, and other brain-tickling games in this fun-fact-filled puzzle book a...

Travel back to the time when the mighty dinosaurs ruled the earth.The Age of Dinosaurs began about 250 million years ago. In the beginning they wer...