This science set comes with four magnifying glasses and four tweezers contained on a brightly colored storage stand. The easy-to-hold magnifiers and kid-friendly tweezers puts the excitement of science into little hands. Use the five provided double-sided activity cards to help guide simple experiments using common household and classroom materials. Each card also includes observation questions and an introduction to basic scientific concepts. Perfect for stations or independent exploration. Ages 5+. Each large ring magnet measures 1¼'' in diameter. Each colorful plastic disc measures ¾'' in diameter and includes a metal ring around the circumference making it magnetically receptive. The storage stand comes in 5 pieces and measures approximately 9'' L x 2¾'' W x 4¼'' H when assembled.