Abacus Classroom 5?20
nIn modern arithmetic, multibase work is demonstrated clearly using this abacus. Very easy to understand addition, abstraction.
nSize: 31x23 cm Classroom.
The box includes 1000 Interlocking Weight Cubes which children can play, can learn the pattern- and model-making, counting, sorting, teaching number value, and measurement. The perfect set for the classroom.
Labdisc
Botzees
Edison
Telepresence Robot
DOBOT
Keyestudio
Fischertechnik