Impossible to build. VERY frustrating. The parts are so tiny and cheaply made. $100 down the drain for 5 sets. I had 10 Gifted and Talented students working on these for hours. What a waste.
2071Impossible to build. VERY frustrating. The parts are so tiny and cheaply made. $100 down the drain for 5 sets. I had 10 Gifted and Talented students working on these for hours. What a waste.
