Sluban-Educational Bricks, Smart Kids All of the Sluban blocks are designed originally with unique character and personality, which tribute to artisan spirit and committed to make perfect toy blocks. The products already passed the testing of 3C, EN71, 6PM, REACH, CHPA and etc. Parents are delight at knowing the international certification ABS anti-wear materials are used for making the blocks safe and health. The newest Sluban dolls heads and wrists can be rotated 15 degrees, the waists can be rotated 360 degrees. Specially the leg of the children dolls can be swung 180 degrees is the very first record.