Probability Resource Kit, includes: 4 different types of spinners, 4 different types of dices, two-sided probability discs, assorted discs, and sticks for many probability activities in mathematics
Fraction Resouce Kit, Includes: fraction circle set, fraction square set, overhead fraction circle set, fraction bar set with work book and guide, fraction chart, a Focus on Fraction book and a Fraction Circles activity book
Vibration generator for exciting oscillating and waves mechanically, e.g. in coil springs, a rubber cord, a wire ring or a Chladni plate. In robust plastic housing including mounting pin with 4-mm socket for attaching accessories
Digital Counter For event counting, a fixed counting period can be programmed in a range from 0.1 ms to 99999 s. Counter events (e.g. start or stop) can either be triggered by a signal to the input sockets or manually via switches. The unit includes a plug-in power supply.
Wards Essentials Trigonometry Puzzle Set, High quality precision-cut Birch verner pure bond plywood, Contains: Step-by-step educational guide, Includes the unit circle, three 30-60-90 triangles, two 45-45-90 triangles, two circular sectors, Kepler's triangle