Multi-coloured beads change to white as you slide them across the rods with this Double-Sided Colour Changing Abacus! Visualise numbers and patterns as multi-coloured beads change to white.
Multi-coloured beads change to white as you slide them across the rods with this Double-Sided Colour Changing Abacus! Visualise numbers and patterns as multi-coloured beads change to white.
Reviews
There are no reviews yet.
Be the first to review “Colour-Changing Abacus” Cancel reply
Reviews
There are no reviews yet.