2-Color Desktop Abacus, Red Frame Hydrogen Peroxide DNA structure model is used

DNA structure model is used as a visual representation of the different components of a DNA structure

Blank on one side and available with 1 cm grid for drawing or X/Y axis for graphing on the other side

A teacher's guide and student copy masters are included for the following activities: relative scale of hardness

A remarkable series of 8 models that show the complete stages of pregnancy development

Fully compatible with cubes and the prisms

2-Color Desktop Abacus, Red Frame Hydrogen Peroxide DNA structure model is usedAbacus allows children to visually and tangibly move beads as they count, add, subtract, multiply, identify place value, and more. Helps children learn and reinforce abstract math concepts in a hands on way. Features a frame that is thicker than the beads, allowing the abacus to lie flat on student desks. Abacus includes 10 rows of 10 beads in 2 colors grouped in 5s for ease of use. Ideal for ages 5+. Premium Quality: This item is made of high