Rainbow Pebbles Activity Set - Junior - 36 Pebbles + 16 Activities - Ages 18m+Early construction and manipulative set, ideal for developing fine motor skills. Young learners aged 18m+ will build their fine motor skills when stacking these odd shaped, plastic pebbles. Encourage creativity or follow the life size activity cards to create clever patterns and pictures. Sort and sequence these pebbles to develop early math skills. The smooth, warm texture of these pebbles will delight inquisitive hands. Recommended age 18+ months