Grab an extra discount on the our store's best sellers

It's spring clearance time for the Boing Boing Store, when some of the best deals from the holidays return even cheaper than before. From top-rated apps to educational software to the cutest record player of all time, they're all back with a little extra incentive. Shop your heart out before tax season wraps up! Use the code MADNESS15 to take an additional 15% off!

TREBLAB Z2 Wireless Noise-Cancelling Headphones

Combine 40mm neodymium-backed speakers with T-Quiet™ noise-cancelling tech and you get a seriously immersive pair of headphones. Even better, they come with 35-hour battery life, so you can soundtrack even the longest bus trip or workout. The TREBLAB Z2 Wireless Noise-Cancelling Headphones are already sale priced at $78.99 (down from their previous price of $149.99) but you can take an extra 15% off with the online code MADNESS15.

Pianoforall: The New Way To Learn Piano & Keyboard

Designed to teach keyboards to even the most distractible, Pianoforall will have you playing rhythm piano hits from Billy Joel and Norah Jones in the first few lessons. And while you're doing that, you'll be learning the music theory fundamentals that will let you play chords, inversions and more in the lessons to come. Previously priced at $29.99 (down from $199.99), Pianoforall is now $10.99 - and you can take an additional 15% off with the online code MADNESS15.

CBD Gummies 500mg

A great way to see what the CBD craze is about, these tart gummies are infused with US-grown hemp isolate. The cannabidiol contained within can help with a range of issues including pain, sleep deprivation, and general stress. 500 mg of these CBD Gummies is already 25% off at $29.99, and you can use the code MADNESS15 for an additional 15% off.

The Python Power Coder BONUS Bundle

As versatile as it is user-friendly, Python is the go-to language for building everything from simple apps to machine-learning algorithms. This eight-course bundle gives an overview of Python 3 and its uses in a number of areas including data analytics and web programming. Get the Python Power Coder BONUS Bundle for $44, and take an extra 15% off if you use the code MADNESS15.

RokBlok: The World's Smallest Wireless Record Player

Vinyl culture just got portable with this cute and compact player. Just set it down on any record and it spins hypnotically on its own, playing the music through its own built-in speaker or to a nearby Bluetooth-enabled one. RokBlok is typically $99, but you can score an extra 15% off by entering the online code MADNESS15.

Mondly: Lifetime Subscription

With speech recognition and examples of conversation from native speakers, this language learning app is the next best thing to having a bilingual roommate to train with, 24/7. Mondly teaches by way of short, easily digestible lessons and games, and there's even a Mondly AR functionality for Android users that can let you practice your vocabulary on real-world objects. A lifetime subscription to Mondly with the choice of three language databases is sale priced at $59.99, but the online code MADNESS15 will get you an additional 15% off.

The Complete CompTIA Certification Training Bundle

Whether you want to start an IT career from scratch or enhance your resume, this online training course covers a ton. Each of 12 courses gets you on the road to certification in CompTIA disciplines including cybersecurity, cloud networking, and mobile. Lifetime access to the Complete CompTIA Certification Training Bundle is already 98% off the MSRP at $59, and the online code MADNESS15 will get you an extra 15% off.

WhiteSmoke Writing Assistant

Whether you're writing the great American novel, a crucial term paper or a simple work email, this grammar watchdog can be a lifesaver. It not only checks your spelling and punctuation but offers tips on style and can even guard against plagiarism by comparing against its online database. A lifetime premium subscription to WhiteSmoke is 80% off at $79, and entering the code MADNESS15 takes an additional 15% off.