Additions, the shop at MoMath, is now open everyday from 10:00 am - 5:30 pm.  To find out about shipping rates outside of the United States, please email [email protected]   If you wish to purchase a MoMath gift card, you may place your order by telephone at 1-520-432-0958.  MoMath gift cards are only redeemable in-person at Additions, the shop at MoMath.