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Experiment to find out what other things will power the clock - you will be amazed
Sometimes orangutans wrap a big leaf around themselves like a shawl
These dominoes are nice and big to make them easier for little hands to hold
Kit includes a hand-powered wind generator
Learn about potential and kinetic energy and how gears and springs function in different mechanical devices
My First Rock & Gem Collection | Klutz Jr. Brand_Douglas Experiment to find out whatLearn all about rocks and gems with this beginners kit. It includes a booklet full of cool information, 9 gems to get your collection started, a dig kit surprise and paints for you to make a pet rock with! KlutzAges 4+
US$ 999.50
US$ 30.00
US$ 34.50
US$ 11.50
US$ 79.99
