Amazon with JusArt Official has the JusArt 24-Color White Barrel Dual Tip Acrylic Paint Pen Markers Set for $9.99 - $3 off with coupon code QGT3H568 at checkout = $6.99 with free shipping on $35+ or with Prime (extra 15% off for 5 subscribe and save orders).

The 36-color (canvas bag) is also on sale for $10 after code QGT3H568.