The worm gear can produce extremely low speeds of rotation, and is used for gear reduction. — The 2 selectable gear ratios are: 216.1:1 and 336.1:1, and allow versatile operation for your projects. — The gear case is injection-molded and the gears are of polyacetyl resin for reducing mechanical noise. Operates at 4.5V DC. 15100 RPM.
Imagine a lush field overflowing with colorful flowers of multiple varieties, both beautiful and delicate. Now you can re-create this scene in your own home with this mini-greenhouse kit. — Seed packets are provided for over 12 different flowers including Poppies, Forget-Me-Nots, and Candytuft Dwarf Fairyland (Iberis cruciferae). All the necessary supplies are included for growing and maintaining your garden. Also includes an instruction and activity poster.
These are the same kits used in our DIBS - DigiScope and Inquiry Based Science Workshops. Kits are loaded with materials for inquiry based activities aligned to the National Science Education Standards and customized for grades K-4 or 5-8. Topic areas covered include Electricity & Magnetism, Force & Motion, Sound & Waves, and Physical Properties. Kits contain enough materials for 5 groups for each activity and 1 teacher demonstration. The K-4 activity kit is shown.
Experience the Thrill of Discovery! — — With the Wooly Mammoth Excavation Kit, you can uncover a buried skeleton! During the last Ice Age - which ended about 10,000 years ago - glaciers covered a large part of North America, and giant Wooly Mammoths roamed the tundra. Discover the “fossilized remains” of this Ice Age mammal by carefully digging into a block of soft clay-like sediment. — After you have excavated your very own Wooly Mammoth, you can can restore, paint and display its skeleton! The Wooly Mammoth Excavation Kit contains an excavation block, brushes, excavation tool, paint tablets, instructions, and a booklet entitiled “How to become a Fossil Collector”.
Great beginner kit — The Wizard Rocket set is an easy to build high-performance kit. It is a great first or second kit that promises real excitement and fun! — This bulk pack contains 12 rockets complete with 12 sets of instructions and extra parts. The Wizard Rocket Set is a great kit to use with a group such as scouts, a flight club, or a classroom. — — Specifications: — Length: 12 in.; Dia.: 0.74 in.; Wt.: 0.4 oz.; Streamer Recovery; Die cut balsa Fins; Max. Altitude: 1500 ft. Recommended motors: A8-3, A8-5, B4-4, B6-4, B6-6, C6-5, C6-7
Great for Cable Management! — Dubbed the “problem solvers,” the Wire Tie Kit has wire “zip” ties that are great for cable management and many other uses. The ties can even be “zipped” together to make longer lengths. — The wire ties have smooth, rounded edges that do not cut insulation - or hands - and are comfortable to work with. — They have closely spaced positive-locking teeth that allow for fine adjustment to tie bundles of all sizes. — The kit contains no metal parts; instead, strength and durability are attained by having the head and pawl integrally molded. And best of all, the self-locking, one-piece, low-profile head conserves space. — The wire ties are made of general purpose nylon 6/6 and are suitable for use in most practical applications at a continuous temperature of up to 150F. Nylon 6/6 is the grade most often used for cable tie production and meets UL 94V-2 flammability ratings. Its working temperature range is from 40F to 185 F. — — This assortment pack of 650 ties features several colors, including UV Black, which is resistant to UV sun damage, and several sizes including 4″, 8″ and 11″. Tensile strength meets or exceeds military spec MIL-S-23190.
Youll discover endless uses for Wikki Sticks in your classroom. From demonstrations to science projects to group quizzes, the versatile sticks are a fun way to encourage hands-on learning. Composed of a unique combination of wax and yarn, Wikki Sticks are easily twisted, shaped, and cut. You can create any number of designs without the use of glue the sticks will adhere themselves to surfaces with mild pressure, are easily removed, and leave little to no residue, so you can build and re-build as often as you like. Explore the many uses for Wikki Sticks with your students the possibilities are as vast as your imagination. Length of sticks: 8″. Package of 48.
Youll discover endless uses for Wikki Sticks in your classroom. From demonstrations to science projects to group quizzes, the versatile sticks are a fun way to encourage hands-on learning. Composed of a unique combination of wax and yarn, Wikki Sticks are easily twisted, shaped, and cut. You can create any number of designs without the use of glue the sticks will adhere themselves to surfaces with mild pressure, are easily removed, and leave little to no residue, so you can build and re-build as often as you like. Explore the many uses for Wikki Sticks with your students the possibilities are as vast as your imagination. Length of sticks: 8″. Package of 48.
Build Your Own Weather Center! — Thirty one exciting activities lead children in creating and using their own meteorology instruments. From assembling an anemometer to constructing a weather kite, you will learn how a weather station is assembled. — Additional projects include creating rainbows and snow flakes in addition to standard tasks of recording rainfall and checking wind speeds. — The ideal kit for the budding weather enthusiast, these activities will reveal the science behind the elements! — Requires 1 9V battery, not included.
Twenty fun and simple experiments will allow your students to learn what causes lightning by using a roll of tape in a darkened room. They can also make a barometer from a soda bottle, straws, modeling clay, and colored water; or they can use a shoe box, plastic wrap, and some soil to discover the greenhouse effect for themselves. All of the experiments use only inexpensive household materials and involve a minimum of preparation and cleanup. The book also features dozens of additional suggestions on how to develop your science project. Softcover, 96 pages.
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