Montessori Slotting Coin Box with Bins by Educo is an object permanence box that demonstrates cause-and-effect. This contains three boxes in primary colours, with discs in matching colours which easily transforms this to a matching toy, too. The object permanence phenomenon is something that is experienced by young children Helps develop fine motor skills, spatial awareness, memory, and colour recognition Recommended Age: 2+ years, do not leave children unsupervised 15 cm L x 32 cm W x 14 cm H