It is a best toy in doctors office .Well constructed .Brightly colored smooth-sanded pieces Water Based Paint is Harmless to Baby Great educational toy. Helps build hand eye cordination math early shape color and size differentiation skills Manufacturered by Lewo. No assembly required no pieces will come out. just take out and enjoy play it Approved ASTM and CE test. Do not to worry about the baby choking on the small pieces due to all beads can not come apart Perfect size - not too big and bulky! 8.7*8.7*5.6 inches weight about 1.4 pounds