Eco Crayons Push & Pull Blend and layer 10 basic

Blend and layer 10 basic colors to create an infinite array of new colors

Make a hemoglobin detector

This crawling robot is cobbled together from two halves of an old pirate ship’s wheel

around blockers

Can you build up your defenses in time to stop the approaching villager raid

Eco Crayons Push & Pull Blend and layer 10 basicA set of 6, vibrantly coloured ECO crayons perfect for little hands. The unique shape of these crayons help kids practice different grips and helps to promote the development of fine motor skills. Created with the environment in mind, using natural soy and bees wax, with the colours coming from 100% natural, non petroleum based pigments. Ages 2 and up.