#3439 Mix And MatchAbout ProductSix shaped grooves on the tray can be configured, the challenge is to fit the blocks to the appropriate ever changed grooves. Size & AgesSize W 6 1⁄2” x L 6 1⁄2” x HT 1 1⁄2” ( 16.5 x 16.5 x 4 cm.) Ages 18 Months+
