A traditional abacus wooden bead counting frame with 100 brightly-colored wooden beads.
Things
110 addition problems comprised of at least one of every integer sum that range from 0+0 to 12+12
114mm (4.5”) Newtonian reflector with highly reflective coatings and enough light-gathering ability to view all the best celestial objects.
Engage students in active learning with Power Pen! Practice and reinforce important math skills.
106 subtraction problems comprised of at least one of every integer difference that range from 0-0 to 12-12.
For use practicing for the driver's maneuverability test or managing traffic.
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