i saw some in amazon is it this one??? Amazon.com: O2COOL Treva 5 Inch Battery Powered Fan Portable Desk Fan 2 Cooling Speeds Battery Powered Fan with Compact Folding & Tilt Design Small Fan Cubicle Accessories (Dark Blue) : Electronics which one is other one???
For college going kids, phone accessories might be good for under $50 like the wireless Bluetooth earbuds or something similar. Fitness tracker/Fitness watch also comes in all sizes and shapes, you could find under $50 as well.