Includes over 500 interconnecting discs and a durable plastic jar for easy storage ; Every set comes with an idea booklet with instructions to build a Brain Flakes ball

Discs easily click together for ages 5+ with some children as young as 3 having no problem

Child safe ; BPA, lead, heavy metal, and phthalate free ; Compliant with ASTM US CPSIA safety regulations

Develops spatial intelligence and thinking ; A great solo or collaborative group activity for school classrooms, makerspaces, montessori, daycares, libraries, or home ; Countless design possibilities and hours of skill building play

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Size and weight ; Product measures 5.63 x 5.63 x 8 in inches ; 14.3 x 14.3 x 20.4 in centimeters ; Product weighs approximately 1.9 pounds or 0.9 kilograms ; Discs measure 1.3 Inches or 3.3 centimeters across