Advanced Ripple Tank with Projection Mirror, 21.1lbs, 24.4x15.4x9.4in, Includes: (1) Vibration Generator, (1) Wave monitor unit, (1) Projection screen, (1) Wave dippers, (1) Lever arm and support, (1) Ripple tank, (1) Projection mirror, (1) Set of footers with adjustment screws
Ripple Tank, Overhead, Dimensions: 15.5inx12inx4in, 6V DC power source and an overhead projector are required, demonstrates the generation, propagation, reflection, interference and diffraction of waves
Rogue Rodent Mystery Student Book, For Grades K-1, Pre-printed student books speed up teacher prep time and helps students' organize their key findings while working to solve the Rogue Rodent Mystery, Accompany both the Classroom and Summer Camp
Rogue Rodent Mystery Student Book, Classroom, Pre-printed student books speed up teacher prep time and helps students' organize their key findings while working to solve the Rogue Rodent Mystery
Rogue Rodent Mystery Student Book, Summer Camp, Pre-printed student books speed up teacher prep time and helps students' organize their key findings while working to solve the Rogue Rodent Mystery
Squishy Circuits Dough Kit, includes 7 containers of conductive dough and 1 container of white insulating dough, Each container holds 7 ounces (a normal, bought container is 5 ounces). The dough does contain gluten, but is safe and non-toxic