Tactiles

Binary Counter

Binary Counter

In addition to the decimal system used in everyday life, other value systems are introduced in school. The binary system

Animal Cell

Animal Cell

Animal cell with nucleus, rough and smooth endoplasmic reticulum, Golgi apparatus, mitochondria, lysosomes, microbody, centriol.

Covalent Bonding

Covalent Bonding

This is a kit for modelling covalent bonding. Electrons are represented by spheres, in pairs. The nucleus is represented as

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