INCLUDES EVERYTHING YOU NEED: Comes with periodic table chart and 165 connecting colorful tiles. Element tile comes in 10 different colors (red yellow orange dark blue light blue dark green light green pink dark purple and light purple). LEARN & BUILD: Children can construct and balance equations for elements and compounds. Manufacturered by hand2mind. SCREEN FREE STEM FUN: The color-coded tiles representing an element are 1"x1" with the atomic symbol atomic number atomic weight and electron ring configuration label. DURABLE: The plastic tiles are sturdy and snap together to form a complete periodic table of the elements flash. STUDENT TESTED TEACHER APPROVED CHEMISTRY GAME: The periodic table chart introduces kids to important chemistry concepts while the element tiles reinforce with hands-on learning. RAISE PERFORMANCE: Students in activity-based programs perform up to 20% higher than groups using traditional or textbook approaches. IMPROVE RETENTION: 75% of content is retained when learning hands-on. GROWING MINDS WITH HANDS-ON LEARNING: For over 50 years hand2mind has encouraged hands-on learning and discovery driving deeper understanding and helping students unlock their full potential.