Product description:
The set includes a board divided into square boxes by blue lines (216). Along the board’s upper edge are printed numbers from 1 to 18. The numbers 1-9 are blue and the numbers 10-18 are red. A blue line runs through the centre of the board, right after the number 9, dividing it into two parts. This set also contains a box without a lid, inside of which 2 sets of slats in red and blue can be found. They symbolise the numbers from 1 to 9. The red slats are divided into units by vertical lines. The slats on the right are marked with numbers. The shortest - 1, the longest – 10. The other box contains grey slats to create a minuend. The shortest one symbolises the number 1, and the longest the number 17. The board allows the students to develop and improve the ability to subtract the numbers in the range from 1 to 18. 36 slats: 18 grey slats, dim.: 2 x 2 cm ( the shortest), 36 x 2 cm (the longest); 9 red slats and 9 blue slats, dim.: 2 x 2 cm ( the shortest), 36 x 2 cm (the longest); 1 board, dim.: 40 x 0,5 x 30 cm; 1 box for the red and blue slats, dim.: 21 x 4 x 7,5 cm; 1 box for the grey slats, dim.: 39 x 4 x 7 cm, material: wood; age: 3+
Weight: 1.30 Kg