Learning Resources Chemistry With A Bang! Science Lab Kit. This set’s 22 activities give children an introduction to STEM careers with a big bang including volcanologist, pyrotechnician and firefighter. It includes all young scientists need to cover explosive geysers, sparklers, lava lamps, chemical reactions, and the sound of thunder, and comes with a fact-filled Career & Lab Guide. Kit measures 8cm H x 29cm W x 38cm L. Ages 8+.