Orbit Organic Chemistry Models Class Kit, to understand the variety of organic molecules, Contains twelve kits and instructions, learn about key concepts in organic chemistry through hands-on activities, Compatible with Hubbard Molecular Model Kit R-MOD2
Stem Explorations- Levers & Pulleys Building Set, Age: 8+, Includes 130+ parts for single child/team of 2 children to build 3 lever or pulley models: a Balance, a Wheelbarrow and a Sailboat, children will be engaged in understanding Science, Etc.