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 Adding up by counting and adding up ones. 
 Add the quantities to the sum 10. 
 Decomposing the numbers from 2-9. 
 7 mm FIXED plastic beads.
Please note:
Montessori materials are NOT toys, but educational materials. Proper use requires appropriate training.
Montessori materials may contain small, rough, sharp, or other elements that could cause injury or damage if used improperly.
It may therefore only be used by children under the supervision of appropriately trained persons and in an appropriate environment.
The snake game for addition is used to show children how to add numbers, even beyond the number range 10. 
 The pearl sticks are prepared according to the task and lined up in a line. Then the pearl stick snake is counted with the tab and always exchanged after 10 individual pearls for a golden tens rod. The black and white pearl sticks can be used to help. 
 Included: 
 1 tray, 3 boxes (gold, red, black and white), 1 black and white pearl staircase, 22 gold sticks of ten, 5 pearl staircases from 1 to 9