TOPS Learning Systems

#35 metric measuring (grades 5-9)

microscope slides, per 10

#13 cohesion/adhesion (grades 6-10)

index cards - per 100

11sk oxidation starter kit (grades 6-10)

spring scale

#15 heat (grades 8-12)

thumb tacks - per 10

#22 machines (grades 7-12)

steel wool - per pad

#18 sound (grades 7-12)

#42 focus pocus (grades 5-10)

#09 floating and sinking (grades 7-12)

#34 pendulums(grades 4-9)

test tube - small reusable

test tube - medium reusable

paper plates, per 20

#33 magnetism (grades 3 - 8)

tops collection of print books

34sk pendulums starter kit (grades 4-9)