Science bear STEAM box is a all-in-one box of 138 science experiments with all materials needed, step-by step instruction & video lessons.
1.Mateirals for each experiment are packed with individual plastic bag.
2.Each experiment comes with a short video lesson which provides step-by-step introduction, principle illustration & daily life application.
3.There are 25 science experiments were included in the kit, plus there are another 138 experiments for extended learning.
4.All materials are daily commodity, very safe for kids to use.