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
Orbit Molecular Models Class Kit, Contains twelve model kits and instructions for guided learning, Students make models of 6 base pairs each that can be joined together to make a molecule of up to 72 base pairs, Compatible with Hubbard Molecular Model Kit R-MOD1
Electric Mobility Experiment Set, 6 Different Models Can Be Built With One Chassis, Examines The Strengths And Weaknesses Of Each Solution, Compatible With All Other Horizon Kits, For Measurement, Etc, Includes fixed Steering Function At Front Of The Vehicle
Automobile Engineer, With durable storage case and illustrated storybook, Dimensions: 14.7 x 6.3 x 9.4, can build models of the 10 vehicles in the story. Large, colorful plastic building pieces make it easy for small hands to put the models together