Witness a 220-million-year-old species come to life
Build an authentic, working engine and learn the mechanics of how motors work. Valves rock, spark plugs fire and pistons drive the crankshaftInternal and external moving partsOver 100 working partsBattery-operated moving engine Includes screwdriver and instructionsReady, set, build your own engine!Safety warning: This product contains small parts that may present a choking hazard for young...
49010 Set includes: -Crystal Growing Chemicals, Crystal and Geode Growing Cup Molds, Casting Compound, Safety Goggles, Color Changing Display Base and Detailed Instructions. Features: -Smithsonian crystal growing. -Grow your own amazing large crystals, crystal clusters and crystal geodes. -Grow gold 'Citrine', 'Emerald', 'Amethyst' and more. -Ages 10 and up....
49009 Set includes: -T-Rex Dino Dig, Earth / Moon Model, Weather Station, Volcano, Mini Eco Dome, Habitat. Features: -Smithsonian mega science lab. -Learn about volcanoes, weather, crystal growing, dinosaurs, microscopic science and outer space. -Molded lab station provides the foundation for a multi - activity set that is fun, interesting and complete. -Ages 10 and up. -Material: Crystal.
* Dig up a plastic skeleton of a t-ren * Waiting to be unearthed * Assemble the bones * Into a cool t-rex * Detailed instructions
Dig for semi-precious gemstones and minerals and identify your treasures. Test for hardness and streak. Learn how rocks and minerals are formed and have fun with an archealogical dig. Detailed instructions are included.