Two tasks to be worked in succession. First, place the four different shaped block into the right groove on the board. Second, t the wavy blocks into the associate shaped block. Eight pieces of blocks can be stacked for balancing game.
W 6 3⁄4” x L 6 3⁄4” x HT 1 3⁄4”
( 17 x 17 x 4.5 cm.)