Let your children develop hands-on fine motor skills, and improve manual dexterity and hand-eye coordination. thorough our Building Blocks Set Warnings: Use under the direct supervision of adults Minimum Age: 6 years Not recommended for children under 36 months. Choking hazard due to small parts Sluban make a range of plastic construction kits that represent excellent value for money. They are compatible with the leading brick construction brands. Number of Bricks: 231 Age recommendation: 6+