Age 11-15

Explore the bizarre properties of hydrophobic (water-hating) sand, which never gets wet and forms fascinating structures underwater. Ooze Labs are ...

Make a slime that changes color from white to pink-orange in strong ultraviolet light, like direct sunlight. Ooze labs are fun and simple science e...

Make your own color-changing slime that changes from green to blue depending on the temperature. Ooze Labs are fun and simple science experiments i...

Grow sparkling, green crystals overnight from a safe solution of potassium aluminum sulfate. Single out the largest crystal shard, redissolve the r...

Plus-Plus is a whole new class of construction toy! One simple shape contains endless possibilities and hours of fun. Each piece easily connects to...

Plus-Plus is a whole new class of construction toy! One simple shape contains endless possibilities and hours of fun. Each piece easily connects to...