Arithmetic chain "counting caterpillar" up to 20, red/blue, steps in 5s

This counting chain in the shape of a little caterpillar motivates children to explore the number range up to 20 and can be used to perform almost all arithmetical operations independently or in partner/group work, with the ability to check their own answers at the end.

The counting caterpillar holds 20 wooden balls on a tear-proof string. The diameter of the beads is approx. 15 mm, arranged in an alternating pattern of 5 red/blue beads.

Dimensions: head approx. 2.5 cm Ø, length approx. 35 cm

• Caterpillar counting chain as a mathematical aid for the number range up to 20
• 20 wooden beads on tear-resistant cord
• With blocks of 5, red/blue