Toy robot maker Sphero hasn't had the best time of late, with slow sales forcing job cuts this time last year and, more recently, an end to production of some of its licensed products. There must be high hopes for its latest product, then, which is a new type of musical instrument for that responds to different colors.

The cleverly-named Specdrums started life as a Kickstarter project before partnering with Sphero. Early backers could have picked one up for as little as $29, but now $64.99 gets you a single white silicone ring ($99.99 for two) with embedded motion and light sensors. It also comes with a colored play pad to tap the rings on, although you can use any colorful object to produce audio.

Bluetooth is used to connect the rings to the Specdrums app (or any BT Midi app, for that matter) and this allows you to customize the sound from a catalog including drum beats, keyboards, and more than 100 other instruments.

Although novel, Sphero hopes the rings will be used for educational purposes, particularly in STEAM learning programs. They'll have two-hour battery life and charge over what looks like Micro-USB. Specdrums are on sale right now from the official Sphero site before coming to stores in the spring.

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