Made from beech and iroko wood for early addition and subtraction learning. Each standard set comes with a tray, removable numbers (1-20) in a storage bag and removable +, - and = signs. Every piece is sanded.
Wool balls are not included.
Board-20*44 cm(7,8'' * 17,5'')
Each number tiles-4*4 cm(1,6'' * 1,6'')
Thickness 1,8 cm (0,7'')
Recommended for over 3 years old.
Do not put it directly into the water.
Wiping with a slightly damp cloth is recommended.