By Odin Parker
Made from beech and mahogany wood, this math board is the perfect for early addition and subtraction learning. Each set comes with a tray, removable numbers (1-20) in a storage bag and removable +, - and = signs. Every piece is sanded down to create a smooth finish and coated with food grade mineral oil. No glue and no toxic coating.
Made in USA.
Please note, wool balls are not included.
Warning: do not use small items that can be a choking hazard with this item.