This set exists of 20 double-sided write & wipe cards offering nearly 40 hands-on activities with simple machines through real-life examples. Supports small groups or individual learners. Cards measure 25 x 18cm and store in file box. Use with Simple Machines Set (Ref. 2442). Ref. Code:7442

This play set features 150 plastic meshing gears, connectors and interlocking bases that offer hundreds of 3- dimensional construction possibilities. Packed in a giant storage tub with an activity guide. Ref. Code:9164

Provides eight mechanical models that enable children to get a basic understanding of gears, levers, pulleys, and wheels and axles. Activity Pack includes eight exciting 45-minute lessons, eight 20-minute extension activities and four problem-solving tasks. Illustrations introduce playful problems for children to solve. Ref. Code:LEG9656