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BEST SELLERS

Soil Test Kits

The budding home scientist and horticulturist will both delight in the ease with which this self contained soil test kit brings discovery. The kit measures not only ph., but also Nitrogen, Phosphate and Potash content and contains material for 40 tests. Since these are the essential ingredients affecting plant nutrition, we see a science project in the making: experimental plant growth in soils with different amounts of acidity and/or nutrients. From Luster Leaf(tm), the kit is entirely self contained and includes complete instructions for use and explanations. Be careful, please, the kit does have chemicals and should not be used by young children without supervision.

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RAPITEST MULTI SOIL TEST KIT

Soil Test Kits

The budding home scientist and horticulturist will both delight in the ease with which this self contained soil test kit brings discovery. The kit measures not only ph., but also Nitrogen, Phosphate and Potash content and contains material for 40 tests. Since these are the essential ingredients affecting plant nutrition, we see a science project in the making: experimental plant growth in soils with different amounts of acidity and/or nutrients. From Luster Leaf(tm), the kit is entirely self contained and includes complete instructions for use and explanations. Be careful, please, the kit does have chemicals and should not be used by young children without supervision.

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$16.50 EACH

Magic Rocks

Geology for those with short attention spans? The original Magic Rocks®, of course! Mix the solution in a jar of water, drop in the pebbles, and watch them grow into a forest of multi-color stalagmites. Growth starts in 10 minutes, is impressive in 30 minutes, and complete (up to 4" tall) in 2 hours. Extra credit if you can make it grow stalactites by gluing the pebbles to the bottom of a jar, then pouring the solution in and turning it upside down. Who knows? Maybe it will work. Comes with a set of marine decals to decorate the jar. Definitely not for use with living fish. For ages 10 and up.

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MAGIC ROCK CRYSTAL GROWING SET

Magic Rocks

Geology for those with short attention spans? The original Magic Rocks®, of course! Mix the solution in a jar of water, drop in the pebbles, and watch them grow into a forest of multi-color stalagmites. Growth starts in 10 minutes, is impressive in 30 minutes, and complete (up to 4" tall) in 2 hours. Extra credit if you can make it grow stalactites by gluing the pebbles to the bottom of a jar, then pouring the solution in and turning it upside down. Who knows? Maybe it will work. Comes with a set of marine decals to decorate the jar. Definitely not for use with living fish. For ages 10 and up.

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$5.95 EACH

Float Like A (Graphite) Butterfly

Physics faculty alert: It's very small, but teaches a powerful lesson, this little diamagnetic-properties demo kit. You get (4) plated magnets, each 1/4" square x 3/32", and (2) 1/4" square pieces of graphite to float above them. The graphite may have slight chips along the edge but that won't affect the effect. Includes instructions/fact sheet.

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LEVITATION DEMO

Float Like A (Graphite) Butterfly

Physics faculty alert: It's very small, but teaches a powerful lesson, this little diamagnetic-properties demo kit. You get (4) plated magnets, each 1/4" square x 3/32", and (2) 1/4" square pieces of graphite to float above them. The graphite may have slight chips along the edge but that won't affect the effect. Includes instructions/fact sheet.

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$12.00 EACH

Pick Pick, Chip Chip

Rock hammer with one squared chipping face and one pointy picking face, ideal for prospectors, rock hounds, construction and more. A single piece of forged and polished steel with a molded rubber grip makes this a solid and reliable tool that will last. 10-1/2" long x 6-1/2" across the 20 oz. head, 1-3/4 lbs. total. Well made. Good buy. Good bye!

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FORGED STEEL ROCK HAMMER

Pick Pick, Chip Chip

Rock hammer with one squared chipping face and one pointy picking face, ideal for prospectors, rock hounds, construction and more. A single piece of forged and polished steel with a molded rubber grip makes this a solid and reliable tool that will last. 10-1/2" long x 6-1/2" across the 20 oz. head, 1-3/4 lbs. total. Well made. Good buy. Good bye!

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$17.95 EACH

It's A Snap!

with our best selling electronics kit. Build 100 or more electronic projects from a Reflection Detector to a Simple Salt Water Alarm with Snap Circuits Jr. The Elenco kit, a Dr. Toy Winner, has a grid base and a selection of conductors, resistors, switches, integrated circuits and more, for a total of (30) color-coded snap-in parts. For ages 8 to 108, the easy-to-use components and well-designed instruction manual make this a perfect way to spend some quality time with a bright young child! AWARDS: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products. Ages 8+.

See our full line of Elenco Snap Circuits here! Click 

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AWARD WINNING SNAP CIRCUIT JR KIT

It's A Snap!

with our best selling electronics kit. Build 100 or more electronic projects from a Reflection Detector to a Simple Salt Water Alarm with Snap Circuits Jr. The Elenco kit, a Dr. Toy Winner, has a grid base and a selection of conductors, resistors, switches, integrated circuits and more, for a total of (30) color-coded snap-in parts. For ages 8 to 108, the easy-to-use components and well-designed instruction manual make this a perfect way to spend some quality time with a bright young child! AWARDS: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products. Ages 8+.

See our full line of Elenco Snap Circuits here! Click 

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$26.60 EACH
$29.95
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Crystal Clear Geological Bargain

From Brazil, rescued from the guts of quartz crystal antennae, these clear rock crystals are pebble sized (some maybe 3/8" long, most smaller). We're thinking classrooms and microscopes, small jewelry items, or, at these prices, a nice little bowl of crystals for the table. Each small box contains approx 2-1/4 oz of crystals. We'll send you (2) boxes, which will about fill a test tube if combined.

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QUARTZ CRYSTALS

Crystal Clear Geological Bargain

From Brazil, rescued from the guts of quartz crystal antennae, these clear rock crystals are pebble sized (some maybe 3/8" long, most smaller). We're thinking classrooms and microscopes, small jewelry items, or, at these prices, a nice little bowl of crystals for the table. Each small box contains approx 2-1/4 oz of crystals. We'll send you (2) boxes, which will about fill a test tube if combined.

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$2.50 PKG (2)
$4.50
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Blasts From The Past

You can’t beat a nice fossil for helping you forget about the present. Transcend the 21st century with: a fossilized shark tooth, between 1-1/2” and 2”, dating from the Eocene to Cretaceous ages, which is even before chicken fingers; or a nice 3/4” chunk of dinosaur bone from the Colorado Rocky Mountains, dating from the Mesozoic era, and it was broken when we found it, honest.

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3/4” DINOSAUR BONE CHUNK

Blasts From The Past

You can’t beat a nice fossil for helping you forget about the present. Transcend the 21st century with: a fossilized shark tooth, between 1-1/2” and 2”, dating from the Eocene to Cretaceous ages, which is even before chicken fingers; or a nice 3/4” chunk of dinosaur bone from the Colorado Rocky Mountains, dating from the Mesozoic era, and it was broken when we found it, honest.

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SCIENCE FAIR STYLE DC MOTOR KIT
NEW

Motor Along

Everything you need to build a little DC motor is included in this kit (except sandpaper, screwdriver, scissors and, of course, an AA battery). The instructions are simple and explain the theory as well as assembly. Fun and educational for ages 12 and up.

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SCIENCE FAIR STYLE DC MOTOR KIT

Motor Along

Everything you need to build a little DC motor is included in this kit (except sandpaper, screwdriver, scissors and, of course, an AA battery). The instructions are simple and explain the theory as well as assembly. Fun and educational for ages 12 and up.

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$8.50 EACH

Lay Siege To The Doghouse!

Right after you build your own working medieval catapult or trebuchet. All you’ll need is glue, scissors and a steady hand (plus a small bag of marbles or rocks or something as a counterweight for the trebuchet) to construct these wooden, Canadian-made siege engine kits. The catapult stands 6” tall x 5” wide x 10” long and will toss assorted stuff 15 feet or farther, depending upon the stuff. The finished trebuchet will be 26” long x 18” wide x 24” tall and will propel small objects (meatballs?) 20 feet or more. Both include detailed instructions and are great resources for STEM activities. For ages 9+. Note: Please don’t propel small mammals, and please don’t put anyone’s eye out.

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WOODEN MODEL TREBUCHET KIT

Lay Siege To The Doghouse!

Right after you build your own working medieval catapult or trebuchet. All you’ll need is glue, scissors and a steady hand (plus a small bag of marbles or rocks or something as a counterweight for the trebuchet) to construct these wooden, Canadian-made siege engine kits. The catapult stands 6” tall x 5” wide x 10” long and will toss assorted stuff 15 feet or farther, depending upon the stuff. The finished trebuchet will be 26” long x 18” wide x 24” tall and will propel small objects (meatballs?) 20 feet or more. Both include detailed instructions and are great resources for STEM activities. For ages 9+. Note: Please don’t propel small mammals, and please don’t put anyone’s eye out.

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Arrowcopter

Shoot one of these little plastic arrow-helicopter-rotor gismos straight up with the included rubber band launcher and watch it soar as far as 300 feet! A fun outdoor toy that grows in sophistication as you learn how to adjust the arrowcopter for wind conditions and flight patterns: distance, return, circular descent etc. Our "each" contains a package of two (2). Recommended for kids over the age of 9.

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RUBBER BAND LAUNCH ARROW COPTER

Arrowcopter

Shoot one of these little plastic arrow-helicopter-rotor gismos straight up with the included rubber band launcher and watch it soar as far as 300 feet! A fun outdoor toy that grows in sophistication as you learn how to adjust the arrowcopter for wind conditions and flight patterns: distance, return, circular descent etc. Our "each" contains a package of two (2). Recommended for kids over the age of 9.

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$7.35 EACH

Your Grandfather's Paddlewheeler

It's kinda pretty, and pretty simple, this old-fashioned rubber band-powered boat. Wind the paddle, watch it ride the waves, or bathtub. Measures 5-3/4" x 2-1/2"x 11/16" in varnished pine and even comes with spare rubber bands. Ages 5+.

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RUBBER BAND PADDLE BOAT

Your Grandfather's Paddlewheeler

It's kinda pretty, and pretty simple, this old-fashioned rubber band-powered boat. Wind the paddle, watch it ride the waves, or bathtub. Measures 5-3/4" x 2-1/2"x 11/16" in varnished pine and even comes with spare rubber bands. Ages 5+.

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$4.95 EACH

“My Rolls-Royce Radio Is Broken”

Yes, now you can truthfully tell people this. Just get this combo 10" long 1931 Rolls-Royce Phantom slash AM radio and you’re in business. The power knob/volume control in the right-side spare tire is frozen, but if you’re handy you can fix it and then truthfully say “I just fixed the radio in my ’31 Rolls Phantom.” These radio-models are from the mid ’70s, so they might be a tad tarnished, bumperwise, but they’re still your chance to work on, and own, a Rolls.

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RETRO ROLLS-ROYCE RADIO

“My Rolls-Royce Radio Is Broken”

Yes, now you can truthfully tell people this. Just get this combo 10" long 1931 Rolls-Royce Phantom slash AM radio and you’re in business. The power knob/volume control in the right-side spare tire is frozen, but if you’re handy you can fix it and then truthfully say “I just fixed the radio in my ’31 Rolls Phantom.” These radio-models are from the mid ’70s, so they might be a tad tarnished, bumperwise, but they’re still your chance to work on, and own, a Rolls.

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$9.50 EACH

Crack It Open East Of Java

This excellent kit has (4) genuine geodes between 1-1/2” and 2” dia just waiting for you to crack them open, and since every place we ship to is in North America (OK, plus Guam) you’re going to be cracking them (a long way) East of Java. You’ll also get safety goggles, a little magnifier and an activity book. A Dr. Toys Seal of Excellence Winner.

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GENUINE GEODE STARTER KIT

Crack It Open East Of Java

This excellent kit has (4) genuine geodes between 1-1/2” and 2” dia just waiting for you to crack them open, and since every place we ship to is in North America (OK, plus Guam) you’re going to be cracking them (a long way) East of Java. You’ll also get safety goggles, a little magnifier and an activity book. A Dr. Toys Seal of Excellence Winner.

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$19.95 EACH

Diving Submarine

Back in the days when technology was a good guy, and cereal boxes  came with real toys, kids got diving submarines that they charged with baking powder and played with in the bath tub. Now kids can have the same fun again. We have found a (gray!) submarine, about 4-1/2" long, that can dive and surface up to a dozen times with a single charge of the baking powder that you get to supply. Comes with instructions and made in the USA.

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UNDERSEA EXPLORER DIVING SUBMARINE

Diving Submarine

Back in the days when technology was a good guy, and cereal boxes  came with real toys, kids got diving submarines that they charged with baking powder and played with in the bath tub. Now kids can have the same fun again. We have found a (gray!) submarine, about 4-1/2" long, that can dive and surface up to a dozen times with a single charge of the baking powder that you get to supply. Comes with instructions and made in the USA.

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$4.95 EACH

Radio Kit

An advanced kit compared to the others, a little more deluxe and a little more complicated. It is an AM/FM radio kit from Elenco with over 80 pieces divided into lesson groups. PC board shows component placement to help learning and to minimize errors. It has (14) transistors and (4) diodes and the case measures 11"x 5"x2-1/4". Ages 12+, as considerable soldering is required.

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CLASSIC AM/FM RADIO KIT

Radio Kit

An advanced kit compared to the others, a little more deluxe and a little more complicated. It is an AM/FM radio kit from Elenco with over 80 pieces divided into lesson groups. PC board shows component placement to help learning and to minimize errors. It has (14) transistors and (4) diodes and the case measures 11"x 5"x2-1/4". Ages 12+, as considerable soldering is required.

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$39.85 EACH

Insect Inspection

When you peer through your magnifying glass at this specimen, or focus your microscope on it, even at the lower magnifications which work best, you're looking at one big bug. Make that (4) big bugs. The insects are real, encased in clear acrylic blocks 1-3/4" x 1-1/4" x up to 11/16" thick, and ready for inspection. Set 1 includes a scorpion, giant ant, wasp and a flower bug. Set 2 is a cricket, locust, yellow leaf beetle, and crab. No, not a crab louse or a crab spider, but definitely a crab ugly.

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ENCASED INSECT SPECIMENS SET 1

Insect Inspection

When you peer through your magnifying glass at this specimen, or focus your microscope on it, even at the lower magnifications which work best, you're looking at one big bug. Make that (4) big bugs. The insects are real, encased in clear acrylic blocks 1-3/4" x 1-1/4" x up to 11/16" thick, and ready for inspection. Set 1 includes a scorpion, giant ant, wasp and a flower bug. Set 2 is a cricket, locust, yellow leaf beetle, and crab. No, not a crab louse or a crab spider, but definitely a crab ugly.

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The Pet Of Tomorrow

Our robotic kingii dragon (Chlamydosaurus kingii, or frilled-neck lizard) is better than a puppy because you don't have clean up after it and it won't chew the furniture. This STEM education kit has (2) motors and digital control via IR sensors to activate LED eyes, motorized mouth and pop-out neck frill, plus "Escape" and "Chase" modes, which make it retreat and follow you using IR sensors, respectively. You'll need (4) "AAA" batteries and some patience, as this kit is delightfully challenging. Finished dragon will be 13-1/2" long x 8-1/4" x 5". For ages 10+. Check out our short video on Youtube!

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DRAGON ROBOT KIT

The Pet Of Tomorrow

Our robotic kingii dragon (Chlamydosaurus kingii, or frilled-neck lizard) is better than a puppy because you don't have clean up after it and it won't chew the furniture. This STEM education kit has (2) motors and digital control via IR sensors to activate LED eyes, motorized mouth and pop-out neck frill, plus "Escape" and "Chase" modes, which make it retreat and follow you using IR sensors, respectively. You'll need (4) "AAA" batteries and some patience, as this kit is delightfully challenging. Finished dragon will be 13-1/2" long x 8-1/4" x 5". For ages 10+. Check out our short video on Youtube!

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$32.50 EACH
$42.95
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Grow Your Own

Create your own crystal garden and you'll never again have to run out to the store in the middle of the night for more crystals. Put the approx (2) ounces of rocks from this kit in a bowl, add white vinegar, put it in a warm place, and wait for the vinegar to evaporate. You'll have crystals in (2) days to (2) weeks. Add food coloring if you want to change your tasteful monochromatic crystals into a phantasmagoric garden of color. You provide the bowl, vinegar, food coloring and warm place. For ages 8+ with adult supervision.

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GROW-YOUR-OWN CRYSTAL GARDEN KIT

Grow Your Own

Create your own crystal garden and you'll never again have to run out to the store in the middle of the night for more crystals. Put the approx (2) ounces of rocks from this kit in a bowl, add white vinegar, put it in a warm place, and wait for the vinegar to evaporate. You'll have crystals in (2) days to (2) weeks. Add food coloring if you want to change your tasteful monochromatic crystals into a phantasmagoric garden of color. You provide the bowl, vinegar, food coloring and warm place. For ages 8+ with adult supervision.

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$4.75 EACH

Showing 19–36 of 207 results