Hamilton Buhl Sack-O-Phones, 10 HA2 Personal Headsets, Foam Ear Cushions in a Carry Bag option2-value-500 Sheets When used with the Power

When used with the Power Pen™ (sold separately) students receive immediate audio and visual feedback

Fidgeting stimulates neural responses to produce an increase in blood circulation in the brain and extremities

without the need for any additional or specialized parts

Inks won't bleed through and won't dry out even if the cap is left off for over 24 hours

Hamilton Buhl Sack-O-Phones, 10 HA2 Personal Headsets, Foam Ear Cushions in a Carry Bag option2-value-500 Sheets When used with the PowerThe Hamilton Buhl SOP HA2 Sack O Phones 10 Pack of Hamilton HA2 Personal Headphones with Foam Ear Cushions. Sack O Phones packaging is a unique bag that doubles as a knap sack and holds 5 deluxe or 10 personal headphones. It's a great way to store headphones easily and economically, no need for costly plastic cases for storage. Sack O Phones Includes: (10) HA2 Personal Headphones with Foam Ear Cushions (1) Sack O Phone Carry Bag Carry Case