Koontz Science – The Combination Lock

Sale!

$17.20 $15.00

Build a combination lock mechanism from strong, easy-to-assemble, precut durable and recyclable cardboard parts and explore how it works.k

Description

Bring science to life with fun and imaginative toys from Koontz.

Build a combination lock mechanism from strong, easy-to-assemble, precut durable and recyclable cardboard parts and explore how it works.

Instruction leaflet explains the secret behind the solution to this ancient puzzle and suggests ideas to test the lock on friends and family.

Dimensions: 15cm (w) x 23 cm (h) x 3 cm (d)

Reviews

There are no reviews yet.

Be the first to review “Koontz Science – The Combination Lock”

Your email address will not be published. Required fields are marked *