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. INCLUDES EVERYTHING YOU NEED: Comes with periodic table chart and 163 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. 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.