US$ 124.50
Övningar i matematisk förståelse
10x rods of 10 and 50x single cubes
The thousand cube with golden movable beads
2x large trays
3 wooden boxes with colored lids plus one wooden tray
Temperaturflaskor 8 5 x 8 5 Övningar i matematisk förståelseWooden box with 8 compartments and 8x metal bottles with screw caps. The bottles must be filled with water at different temperatures and then paired and graded from cold to hot.
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