Science & Exploration Sets features: The toy provides color cognition, imagination, creativity training exercises, which can promote the development of baby's brain. Also the beautiful design, colorful infant toys will make baby laugh out loud, bring much more joy to your baby. This product can effectively accompany children and increase parent-child interaction. Features-Color: Colorful-Material:Pine-Size: Approx. 5 x 3.2 x 3.2 cm /1.97 x1.26 x 1.26 inch It is great for developing hand-eye coordination, logical thinking and creativity Children's self-assembled educational toys stimulate children's natural desire to explore and grow, establish a learning environment Fun and creative for your little one. Wonderful gift for your little kids Parent-child interactive toys to the relationshlp between parents and babies Large particles are designed to prevent swallowing and exercise the baby's grasping ability.