Test the Strength of Your RocksAges 8 and Up.
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Optional
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Rock Tumbler Refill Kit - EDU-36925
Rock Tumbler Refill Includes
Extra belts
2 - 8oz bags gemstone rocks
2 - Step 1 2 course grinding power
2 bags Step 2 fine grinding powder
2 bags Step 3 polishing powder
2 bags Step 4 fine polishing powder
Turn Ordinary Rocks
to Treasured GemsJewlery Making Includes
18" silver tone necklace chain
4 adjustable rings
3 key chains
12 setting holders in 2 styles
12 jump ring connections
Glue
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Find out which is stronger
See various package deal prices below. |
Easy-to-use and designed for beginners, yet at the same time is a heavy duty rock polisher... not a toy! Gather the rough rocks you have collected and turn them into beautiful polished gemstones. Besides doing science fair projects with this tumbler, you can make unique jewelry.
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Rock Tumber Includes
8 oz. gemstone rocks
1 - Step 1 coarse grinding powder
1- Step 2 fine grinding powder
1 - Step 3 polishing powder
1 - Step 4 fine polishing powder
Jewlery Making
18" silver tone necklace chain
4 adjustable rings
3 key chains
3 pairs of hanging earring wires
12 setting holders in 3 styles
12 jump ring connections
Glue
No batteries required!
AC Adapter included.
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Science Fair Project Idea
Which type of rock takes longer to polish? This will determine the hardness of the rocks.
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Note: Ships to the U.S. & Canada only...
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You receive FREE the
Super Science Fair Projects instantly downloadable eBook when you purchase this science kit. That is a $21.95 value.
EDU-36793 Rock Tumbler + Free eBook Retail: $54.95
Discount Price: $49.95
EDU-36793 Rock Tumbler & EDU-36925 Rock Tumbler Refill Set + Free eBook Retail: $76.90
Discount Price: $70.90
You may also be interested in the EDU-37332 Rock Driller.
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For more educational science fair gift ideas, look here...
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