I got it on Amazon. I opted to pay for cheap shipping to get it faster. Hope this helps
The low speed is at 6500 RPM - seems safe enough for my girl.
'Dremel 750-02 Minimite 13,000 RPM 2 Speed 4.8-Volt Cordless Rotary Tool
Price: $26.96 & this item ships for FREE with Super Saver Shipping.
In Stock. Ships from and sold by Amazon.com.'