Each set is packed in a plastic container with lock. Used to teach decimal systems, area and volume. UNIT=1 (1X1X1cm) ROD=10 (10X1X1cm) FLAT=100 (10X10X1cm) CUBE=1000...
Your objective is to scramble the colored balls, then figure out how to get them all back into their matching colored slots in all holes.
box size: 39.5x31x8.5 cm 1:18 model high-powered radio control lightning super racing car series
Full function Forward, reverse, left / right turn and stop Adjustable front wheel alignment
Number Equalizer Balance . Display number relationships of EQUAL TO (=), GREATER THAN (>), LESS THAN (<). To demonstrate the 4 operations by playing the weights on...
Comparison and measurement of weight and volume, solid or liquid. Built-in weight storage compartments with plastic and metal weights
