b"SCIENCE 267KNEX Intro toStructures - Bridges Children learn while they createKNEX Intro to Simple Machines - Wheels, Axles using this fun set. 207 pieces toand Inclined Planes| Kids use 221 pieces to build 7 real-world build 13 different bridge models,examples of how a wheel turns an axle, how an axle turns a wheel, plus one at a time. Build all 7 types2 levels of inclined plane, and a screw and a wedge. Each set supports of bridges: arch, beam, truss,a team of 2-3 students. All packed in strong storage trays with movable cable-stayed, cantilever, basculedividers and snap-on transparent lid. Includes a teacher's guide.and suspension. All packed in a strong storage tray with movableKN78620$59.95dividers and snap-on transparent lid. Teacher's guide included. KN78640$59.95KNEX Intro to Simple Machines - Gears| Each set con tains 198KNEX Intro to Simple pieces to build 7 different gearMachines - Levers and models, including 2 spur gears,Pulleys| Build 8 different replicas 2 crown gears, and 2 chain andof real-world models, one at a time. sprocket gear examples. Each setSet includes building instructions for supports a team of 2-3 students.each model. Models demonstrate All packed in strong storage trays1st, 2nd, and 3rd class levers along with movable dividers and snap- with fixed, movable and combination on transparent lids. Includes apulley systems. 178 K'NEX rods teacher's guide.andconnectorssupport2-3 KN78630$59.95 students working as a team. Comes packaged in a strong plastic storage case with dividers and lockable lid. KN78610$59.95Magnetic Match RingsChildren stack the mag-netic rings on the post Floatingtomatchthepattern Magnetic Rings card.Develophand/Children learn to patterneye coordination while using colours and alsolearning about magne-begin to understand thetism. Includes 40 chal-properties of magnets.lenge cards. 2-4 players.Includes 4 rings and aWarning: choking hazard.stand. Warning: chokingPP38351$16.95hazard.PP38350$4.45 each www.wintergreen.ca"