7-8 years

Kick into action with our Ninja Thinking Putty™. This putty will get stronger with every stretch! Train and endure to become the ultimate Ninja. Be...

Musca Domestica (commonly known as a housefly) has thousands of individual visual receptors called ommatidia. These receptors create what is known ...

Musca Domestica (commonly known as a housefly) has thousands of individual visual receptors called ommatidia. These receptors create what is known ...

Ukulele is a Hawai’ian word pronounced “oo-koo-leh-leh”. Give it a try! The spirit of Ukulele Thinking Putty® is cheerful and happy. Get your thumb...