? SAFE MATERIAL - PE material,Non-toxic, BPA, lead, heavy metal, and phthalate free. Great toys for age 3+ kids. ? A GREAT CREATIVE TOY - Gear flakes link together while improving your child spatial thinking, independent play and hand-eye coordination. It benefits your child's sensory development. ? SIZE AND WEIGHT PRODUCT - 7.8 x 5.5 x 3.9 inches for box. Discs measure diameter 1.2 inches (3cm).Thickness 0.1 inches (2.5mm). ? BEST GIFT - Whether it be a birthday, holiday or just as a way to remind someone you care, you can expect hours of creative, imagine playtime with gear flakes connect?best gifts for children's.